Prevalence and pattern of the elongated styloid process among geriatric patients in Saudi Arabia
Identifieur interne : 002B11 ( Pmc/Corpus ); précédent : 002B10; suivant : 002B12Prevalence and pattern of the elongated styloid process among geriatric patients in Saudi Arabia
Auteurs : Bader K. AlzareaSource :
- Clinical Interventions in Aging [ 1176-9092 ] ; 2017.
Abstract
The objectives of this study were to assess the elongation of the styloid process on digital panoramic radiographs and to evaluate the prevalence of the elongation according to age, sex and types.
Digital panoramic radiographs of 198 geriatric edentulous patients were analyzed. The radiographic length of the styloid process was measured on both sides using the measurement toolbars on the accompanying analysis software. For statistical analysis, Student’s
The elongated styloid process was seen in 87 of the 198 patients. It was observed that as age increased, elongation of the styloid process increased with a male predominance. Type I elongation was more common than other types of elongation. Bilateral elongation was most commonly found than unilateral elongation, and both types of elongation were frequently seen in males compared with females.
The prevalence of the elongated styloid process in the present study was higher in comparison to the other reports from edentulous patients.
Url:
DOI: 10.2147/CIA.S129818
PubMed: 28408810
PubMed Central: 5384721
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PMC:5384721Le document en format XML
<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Prevalence and pattern of the elongated styloid process among geriatric patients in Saudi Arabia</title><author><name sortKey="Alzarea, Bader K" sort="Alzarea, Bader K" uniqKey="Alzarea B" first="Bader K" last="Alzarea">Bader K. Alzarea</name><affiliation><nlm:aff id="af1-cia-12-611">Department of Prosthodontics, College of Dentistry, AlJouf University, Sakaka, Kingdom of Saudi Arabia</nlm:aff></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">28408810</idno><idno type="pmc">5384721</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5384721</idno><idno type="RBID">PMC:5384721</idno><idno type="doi">10.2147/CIA.S129818</idno><date when="2017">2017</date><idno type="wicri:Area/Pmc/Corpus">002B11</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Corpus" wicri:corpus="PMC">002B11</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Prevalence and pattern of the elongated styloid process among geriatric patients in Saudi Arabia</title><author><name sortKey="Alzarea, Bader K" sort="Alzarea, Bader K" uniqKey="Alzarea B" first="Bader K" last="Alzarea">Bader K. Alzarea</name><affiliation><nlm:aff id="af1-cia-12-611">Department of Prosthodontics, College of Dentistry, AlJouf University, Sakaka, Kingdom of Saudi Arabia</nlm:aff></affiliation></author></analytic><series><title level="j">Clinical Interventions in Aging</title><idno type="ISSN">1176-9092</idno><idno type="eISSN">1178-1998</idno><imprint><date when="2017">2017</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><sec><title>Objective</title><p>The objectives of this study were to assess the elongation of the styloid process on digital panoramic radiographs and to evaluate the prevalence of the elongation according to age, sex and types.</p></sec><sec><title>Patients and methods</title><p>Digital panoramic radiographs of 198 geriatric edentulous patients were analyzed. The radiographic length of the styloid process was measured on both sides using the measurement toolbars on the accompanying analysis software. For statistical analysis, Student’s <italic>t</italic>-test, chi-square test and analysis of variance test were used.</p></sec><sec><title>Results</title><p>The elongated styloid process was seen in 87 of the 198 patients. It was observed that as age increased, elongation of the styloid process increased with a male predominance. Type I elongation was more common than other types of elongation. Bilateral elongation was most commonly found than unilateral elongation, and both types of elongation were frequently seen in males compared with females.</p></sec><sec><title>Conclusion</title><p>The prevalence of the elongated styloid process in the present study was higher in comparison to the other reports from edentulous patients.</p></sec></div></front><back><div1 type="bibliography"><listBibl><biblStruct><analytic><author><name sortKey="Standing, S" uniqKey="Standing S">S Standing</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Keur, Jj" uniqKey="Keur J">JJ Keur</name></author><author><name sortKey="Campbell, Jp" uniqKey="Campbell J">JP Campbell</name></author><author><name sortKey="Mccarthy, Jf" uniqKey="Mccarthy J">JF McCarthy</name></author><author><name sortKey="Ralph, Wj" uniqKey="Ralph W">WJ Ralph</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Sisman, Y" uniqKey="Sisman Y">Y 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<front><journal-meta><journal-id journal-id-type="nlm-ta">Clin Interv Aging</journal-id><journal-id journal-id-type="iso-abbrev">Clin Interv Aging</journal-id><journal-id journal-id-type="publisher-id">Clinical Interventions in Aging</journal-id><journal-title-group><journal-title>Clinical Interventions in Aging</journal-title></journal-title-group><issn pub-type="ppub">1176-9092</issn><issn pub-type="epub">1178-1998</issn><publisher><publisher-name>Dove Medical Press</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="pmid">28408810</article-id><article-id pub-id-type="pmc">5384721</article-id><article-id pub-id-type="doi">10.2147/CIA.S129818</article-id><article-id pub-id-type="publisher-id">cia-12-611</article-id><article-categories><subj-group subj-group-type="heading"><subject>Original Research</subject></subj-group></article-categories><title-group><article-title>Prevalence and pattern of the elongated styloid process among geriatric patients in Saudi Arabia</article-title></title-group><contrib-group><contrib contrib-type="author"><name><surname>AlZarea</surname><given-names>Bader K</given-names></name><xref ref-type="aff" rid="af1-cia-12-611"></xref><xref ref-type="corresp" rid="c1-cia-12-611"></xref></contrib></contrib-group><aff id="af1-cia-12-611">Department of Prosthodontics, College of Dentistry, AlJouf University, Sakaka, Kingdom of Saudi Arabia</aff><author-notes><corresp id="c1-cia-12-611">Correspondence: Bader K AlZarea, Department of Prosthodontics, College of Dentistry, AlJouf University, Sakaka, Kingdom of Saudi Arabia, Email <email>bkzarea@ju.edu.sa</email></corresp></author-notes><pub-date pub-type="collection"><year>2017</year></pub-date><pub-date pub-type="epub"><day>30</day><month>3</month><year>2017</year></pub-date><volume>12</volume><fpage>611</fpage><lpage>617</lpage><permissions><copyright-statement>© 2017 AlZarea. This work is published and licensed by Dove Medical Press Limited</copyright-statement><copyright-year>2017</copyright-year><license><license-p>The full terms of this license are available at <ext-link ext-link-type="uri" xlink:href="https://www.dovepress.com/terms.php">https://www.dovepress.com/terms.php</ext-link> and incorporate the Creative Commons Attribution – Non Commercial (unported, v3.0) License (<ext-link ext-link-type="uri" xlink:href="http://creativecommons.org/licenses/by-nc/3.0/">http://creativecommons.org/licenses/by-nc/3.0/</ext-link>). By accessing the work you hereby accept the Terms. Non-commercial uses of the work are permitted without any further permission from Dove Medical Press Limited, provided the work is properly attributed.</license-p></license></permissions><abstract><sec><title>Objective</title><p>The objectives of this study were to assess the elongation of the styloid process on digital panoramic radiographs and to evaluate the prevalence of the elongation according to age, sex and types.</p></sec><sec><title>Patients and methods</title><p>Digital panoramic radiographs of 198 geriatric edentulous patients were analyzed. The radiographic length of the styloid process was measured on both sides using the measurement toolbars on the accompanying analysis software. For statistical analysis, Student’s <italic>t</italic>-test, chi-square test and analysis of variance test were used.</p></sec><sec><title>Results</title><p>The elongated styloid process was seen in 87 of the 198 patients. It was observed that as age increased, elongation of the styloid process increased with a male predominance. Type I elongation was more common than other types of elongation. Bilateral elongation was most commonly found than unilateral elongation, and both types of elongation were frequently seen in males compared with females.</p></sec><sec><title>Conclusion</title><p>The prevalence of the elongated styloid process in the present study was higher in comparison to the other reports from edentulous patients.</p></sec></abstract><kwd-group><title>Keywords</title><kwd>styloid process</kwd><kwd>elongation</kwd><kwd>digital panoramic radiographs</kwd></kwd-group></article-meta></front><body><sec sec-type="intro"><title>Introduction</title><p>The term styloid process has been gleaned from the word “stylos”, which implies the pillar in Greek dialect. The styloid process appertains to the temporal bone of the skull, and it abuts front to the stylomastoid foramen.<xref rid="b1-cia-12-611" ref-type="bibr">1</xref> Stylopharyngeus, stylohyoid, styloglossus muscles, stylohyoid and stylomandibular ligaments are attached to the styloid process.<xref rid="b2-cia-12-611" ref-type="bibr">2</xref> The length of the styloid process is reported to range between 15.2 mm and 47.7 mm,<xref rid="b3-cia-12-611" ref-type="bibr">3</xref> and various authors have observed that the normal length of the styloid process is between 20 mm and 30 mm,<xref rid="b3-cia-12-611" ref-type="bibr">3</xref>–<xref rid="b9-cia-12-611" ref-type="bibr">9</xref> with length >30 mm regarded as elongated.<xref rid="b2-cia-12-611" ref-type="bibr">2</xref>–<xref rid="b4-cia-12-611" ref-type="bibr">4</xref>,<xref rid="b7-cia-12-611" ref-type="bibr">7</xref>–<xref rid="b13-cia-12-611" ref-type="bibr">13</xref> This elongation of the styloid process or calcification of ligaments, which is the cause of the stylohyoid syndrome or Eagle syndrome, was first reported by the otorhinolaryngologist Eagle.<xref rid="b14-cia-12-611" ref-type="bibr">14</xref></p><p>Individuals with Eagle syndrome may report neck and cervicofacial pain, difficulty in swallowing and pain at the angle of the mandible, which aggravates while rotating the neck or during protrusion of the tongue. It is proposed that these features are manifested due to the pressure of the styloid process on the neural and vascular structures, which are in its vicinity.<xref rid="b15-cia-12-611" ref-type="bibr">15</xref> Differential diagnoses in these patients include cranial nerve neuralgias, unerupted or impacted tooth, temporal arthritis, diseases of the temporomandibular joint, migraine headaches, pharyngotonsillitis and head and neck tumors.<xref rid="b2-cia-12-611" ref-type="bibr">2</xref>,<xref rid="b4-cia-12-611" ref-type="bibr">4</xref> The etiology of the elongation of the styloid process is not yet exactly determined, but the congenital elongation of the styloid process, calcification of the stylohyoid ligament and growth of osseous tissue where the stylohyoid ligament inserts are regarded as few of the causative factors.<xref rid="b16-cia-12-611" ref-type="bibr">16</xref>,<xref rid="b17-cia-12-611" ref-type="bibr">17</xref> Radiographic studies report the prevalence of the elongated styloid process from 2% to 30%.<xref rid="b2-cia-12-611" ref-type="bibr">2</xref>,<xref rid="b6-cia-12-611" ref-type="bibr">6</xref>,<xref rid="b9-cia-12-611" ref-type="bibr">9</xref>,<xref rid="b18-cia-12-611" ref-type="bibr">18</xref>,<xref rid="b19-cia-12-611" ref-type="bibr">19</xref> Elongation may be seen in both sexes, unilaterally or bilaterally and more commonly in elderly individuals.<xref rid="b15-cia-12-611" ref-type="bibr">15</xref> Elongation of the styloid process can be determined if this structure is palpable in the region of ipsilateral tonsillar fossa clinically. Nevertheless, the panoramic radiograph taken for various reasons frequently demonstrates the elongation of the styloid process, considering that most of the individuals are devoid of symptoms.<xref rid="b19-cia-12-611" ref-type="bibr">19</xref> Although the panoramic radiograph is the more common radiographic view to detect the elongation of the styloid process, other views such as posterior–anterior projection of the mandible, lateral oblique projection of the mandible and axial and cephalometric radiographs can also aid in establishing the elongated process.<xref rid="b20-cia-12-611" ref-type="bibr">20</xref></p><p>The present study was carried out in the edentulous population of the Kingdom of Saudi Arabia with the following aims and objectives:
<list list-type="bullet"><list-item><p>To measure and assess the length of the styloid process on digital panoramic radiographs</p></list-item><list-item><p>To determine the variation in age, sex, type and sides of the elongated styloid process</p></list-item><list-item><p>To compare the length of the styloid process between the right and left sides</p></list-item><list-item><p>To compare the type or pattern of the elongation of the styloid process with the length</p></list-item></list></p></sec><sec sec-type="methods|subjects"><title>Patients and methods</title><p>The present study was carried out in the College of Dentistry, AlJouf University, Kingdom of Saudi Arabia. Panoramic radiographs of patients who were >60 years of age, attending the Department of Prosthodontics with various complaints, were examined from January 2015 to January 2016. Clearance was obtained from the ethical committee of the College of Dentistry, AlJouf University, and written consent was obtained from all the participants. Written consent was provided for publication of the accompanying images.</p><p>In this study, 198 radiographs were obtained using a digital panoramic imaging system. The radiographic apparatus used was Cranex (Soredex, Tuusula, Finland). The apparent lengths of the styloid process were measured with the aid of measurement tools on the accompanying application software (Digora compatible software DfW 2.6, Soredex). Those radiographs showing the styloid processes of both sides were included in the study, and radiographs with artifacts and those with patient positioning and magnification errors were excluded from the study. The length of the styloid process was measured on the frontal side of the styloid process, from its originating point from the tympanic plate to the tip of the process, regardless of whether the styloid process was segmented (<xref ref-type="fig" rid="f1-cia-12-611">Figure 1</xref>). The styloid process that measured >30 mm was considered as elongated, and the one not exceeding 30 mm was regarded as normal. Elongated styloid processes were categorized according to the classification based on radiologic features by Langlais et al as follows: type I as elongated, type II as pseudoarticulated and type III as segmented. The radiographic presentation of type I, of mineralized complex, is seen as an uninterrupted integrity of the stylohyoid complex regardless of its length (<xref ref-type="fig" rid="f2-cia-12-611">Figure 2</xref>). In the type II, the styloid process is apparently joined to the mineralized stylomandibular or stylohyoid ligament by a single pseudoarticulation (<xref ref-type="fig" rid="f3-cia-12-611">Figure 3</xref>). Type III comprises either short or long noncontinuous portions of the styloid complex or interrupted segments of mineralized styloid ligament (<xref ref-type="fig" rid="f4-cia-12-611">Figure 4</xref>).<xref rid="b21-cia-12-611" ref-type="bibr">21</xref></p><p>To obtain percentiles for different ages, the radiographs were categorized into three age groups, comprising individuals belonging to the age groups of 60–69 years, 70–79 years and ≥80 years. The collected data were categorized according to age, sex, normal length and elongated length and type or pattern of the elongation of the styloid process on both the right and left sides.</p><p>All the radiographs were evaluated by two qualified and experienced observers. In order to check the intraobserver variations, the same examiners repeated measurements after 2 weeks.</p><sec sec-type="methods"><title>Statistical methods</title><p>Data were analyzed using SAS 9.2, SPSS 20.0, Stata 10.1, MedCalc 9.0.1, Systat 12.0 and R environment ver.2.11.1 (IBM Corporation, Armonk, NY, USA).</p><p>Descriptive and inferential statistical analyses were carried out in the present study. Results on continuous measurements are presented as mean ± standard deviation (SD) (Min–Max), and results of categorical measurements are presented in number and percentage. Significance is assessed at the level of 5%. The following assumptions on data were made:
<list list-type="order"><list-item><p>Dependent variables should be normally distributed.</p></list-item><list-item><p>Samples drawn from the population should be random; cases of the samples should be independent.</p></list-item></list></p><p>Analysis of variance was used to find the significance of study parameters between three groups of patients. Student’s <italic>t</italic>-test (two tailed, independent) was used to find the significance of study parameters on a continuous scale between two groups (intergroup analysis) on metric parameters. Chi-square test was used to find the significance of study parameters on a categorical scale between two or more groups. The reliability of measurements was evaluated by kappa statistics.</p></sec></sec><sec sec-type="results"><title>Results</title><p>The reliability was very good, with kappa values of 0.91 for intraoperator agreement and 0.84 for interoperator agreement. Panoramic radiographs of 198 patients, of whom 103 were males and 95 were female subjects, who were aged ≥60 years, were studied. Among them, 94 subjects belonged to the age group of 60–69 years, 75 subjects belonged to the age group of 70–79 years and 29 subjects were aged ≥80 years.</p><p>The length of the styloid process (mm) according to age and sex is represented in <xref ref-type="table" rid="t1-cia-12-611">Table 1</xref>. It was observed that the length of the styloid process increased with an increasing age and the length of the styloid process was more in males compared with females. Type I elongation was more common than other types of elongation on both the right and left sides (<xref ref-type="table" rid="t2-cia-12-611">Table 2</xref>). The length of the elongated styloid process on the right side was less than that on the left side (35.92±7.55), which was significantly more compared to the right side (<xref ref-type="table" rid="t3-cia-12-611">Table 3</xref>).</p><p>It was observed that a maximum numbers of patients with all the three types of elongation had length in the range of 31–40 mm on both sides (<xref ref-type="table" rid="t4-cia-12-611">Tables 4</xref> and <xref ref-type="table" rid="t5-cia-12-611">5</xref>).</p><p>On the right side, type I and type III elongations were more common in patients aged 70–79 years, and type II was more common in patients aged ≥80 years. On the left side, all the three types of elongation were most commonly found in the patients aged 70–79 years (<xref ref-type="table" rid="t6-cia-12-611">Table 6</xref>).</p><p>When compared between the sexes, on the right side, type I and type III elongations were more common in males and type II elongation was more common in females. On the left side, all the three types of elongation were more common in males (<xref ref-type="table" rid="t7-cia-12-611">Table 7</xref>).</p><p>Bilateral elongation was most commonly found (71.4%) than unilateral elongation (28.6%). It was also found that unilateral and bilateral elongations were frequently seen in males compared to females (<xref ref-type="table" rid="t8-cia-12-611">Table 8</xref>).</p></sec><sec sec-type="discussion"><title>Discussion</title><p>There are assortments of approaches to decide the measurements of the styloid process and analyze Eagle syndrome: panoramic radiographs, lateral views of the neck and processed computed tomography.<xref rid="b2-cia-12-611" ref-type="bibr">2</xref>,<xref rid="b7-cia-12-611" ref-type="bibr">7</xref>,<xref rid="b8-cia-12-611" ref-type="bibr">8</xref> In some cases, the lengthened styloid process can be clinically recognized by palpating over the tonsillar fossa.<xref rid="b22-cia-12-611" ref-type="bibr">22</xref></p><p>Scaf et al<xref rid="b20-cia-12-611" ref-type="bibr">20</xref> demonstrated that the mineralization of the styloid process is considered present if its length is 30 mm or surpassing from the temporal bone on the panoramic radiographs.</p><p>In the present study, it was observed that there was an increase in the length of the styloid process as age increased, which was consistent with the studies by various researchers.<xref rid="b19-cia-12-611" ref-type="bibr">19</xref>,<xref rid="b20-cia-12-611" ref-type="bibr">20</xref>,<xref rid="b23-cia-12-611" ref-type="bibr">23</xref>–<xref rid="b25-cia-12-611" ref-type="bibr">25</xref> However, these findings differed from others who suggested that age may not have a role in elongation.<xref rid="b18-cia-12-611" ref-type="bibr">18</xref>,<xref rid="b26-cia-12-611" ref-type="bibr">26</xref></p><p>In the present study, it was found that males had more elongated styloid processes than females, which was in accordance with More and Aarani.<xref rid="b27-cia-12-611" ref-type="bibr">27</xref> However, in the studies conducted by Roopashri et al,<xref rid="b23-cia-12-611" ref-type="bibr">23</xref> Phulambrikar et al<xref rid="b24-cia-12-611" ref-type="bibr">24</xref> and Ferrario et al,<xref rid="b28-cia-12-611" ref-type="bibr">28</xref> it was found that females had an elongated styloid process than males, but their data were not statistically significant. In the study carried out by Scaf et al,<xref rid="b20-cia-12-611" ref-type="bibr">20</xref> an equal distribution of the elongated styloid process in males and females was observed.</p><p>In the present study, it was found that type I elongation was more common than other types of elongation on both right and left sides and the data were statistically significant; these observations were similar to the findings reported by few other studies.<xref rid="b23-cia-12-611" ref-type="bibr">23</xref>,<xref rid="b27-cia-12-611" ref-type="bibr">27</xref>,<xref rid="b29-cia-12-611" ref-type="bibr">29</xref></p><p>In this study, the length of the elongated styloid process on the left side was significantly more when compared to the right side. This finding was in accordance with Bozkir et al,<xref rid="b19-cia-12-611" ref-type="bibr">19</xref> Vadgaonkar et al,<xref rid="b22-cia-12-611" ref-type="bibr">22</xref> Roopashri et al<xref rid="b23-cia-12-611" ref-type="bibr">23</xref> and Shaik et al<xref rid="b30-cia-12-611" ref-type="bibr">30</xref> However, More and Aarani<xref rid="b27-cia-12-611" ref-type="bibr">27</xref> observed that the elongated styloid process was more common on the right side in their study population. Ilgüy et al<xref rid="b6-cia-12-611" ref-type="bibr">6</xref> and Custodio et al<xref rid="b31-cia-12-611" ref-type="bibr">31</xref> observed no difference in the length of the styloid process when the sides were compared.</p><p>Bilateral elongation was most commonly found than unilateral elongation in this study; this finding was consistent with those of other studies.<xref rid="b19-cia-12-611" ref-type="bibr">19</xref>,<xref rid="b23-cia-12-611" ref-type="bibr">23</xref>,<xref rid="b26-cia-12-611" ref-type="bibr">26</xref>,<xref rid="b28-cia-12-611" ref-type="bibr">28</xref> Scaf et al noted that the majority of the elongated styloid process was unilateral. It was also found that unilateral and bilateral elongations were frequently seen in males compared to females. However, in the study conducted by and Bozkir et al<xref rid="b19-cia-12-611" ref-type="bibr">19</xref> and Roopashri et al,<xref rid="b23-cia-12-611" ref-type="bibr">23</xref> it was found that bilateral elongation was frequently seen in females than unilateral elongation.</p><p>In the present study, a high prevalence (43.93%) of the elongated styloid process was observed; in contrast to this, Keur et al,<xref rid="b2-cia-12-611" ref-type="bibr">2</xref> Bozkir et al,<xref rid="b19-cia-12-611" ref-type="bibr">19</xref> Scaf et al<xref rid="b20-cia-12-611" ref-type="bibr">20</xref> and Correll et al<xref rid="b26-cia-12-611" ref-type="bibr">26</xref> reported a prevalence of <30% in edentulous individuals. This difference may be due to the older age group of the participants in this study compared to the abovementioned studies.</p></sec><sec><title>Conclusion</title><p>It is vital for the dental practitioner to be aware of the structural deviations of the styloid process whose clinical significance is not well established. Elongation of the styloid process may be a fortuitous asymptomatic radiographic observation. Panoramic radiographs are economical and can demonstrate the exact status of the elongated styloid process that can establish the diagnosis, thus averting misinterpretation of the symptoms as pain originating from tonsillar tissues, odontogenic apparatus or from any other sources. 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<hr></hr></th><th rowspan="2" valign="top" align="left" colspan="1">Total</th><th rowspan="2" valign="top" align="left" colspan="1"><italic>P</italic>-value</th></tr><tr><th valign="top" align="left" rowspan="1" colspan="1">60–69 (n=94)</th><th valign="top" align="left" rowspan="1" colspan="1">70–79 (n=75)</th><th valign="top" align="left" rowspan="1" colspan="1">≥80 (n=29)</th></tr></thead><tbody><tr><td valign="top" align="left" rowspan="1" colspan="1">Right side</td><td valign="top" align="left" rowspan="1" colspan="1">25.18±5.65</td><td valign="top" align="left" rowspan="1" colspan="1">30.40±7.77</td><td valign="top" align="left" rowspan="1" colspan="1">36.05±10.96</td><td valign="top" align="left" rowspan="1" colspan="1">28.75±8.36</td><td valign="top" align="left" rowspan="1" colspan="1"><0.001<xref ref-type="table-fn" rid="tfn1-cia-12-611">**</xref></td></tr><tr><td valign="top" align="left" rowspan="1" colspan="1">Left side</td><td valign="top" align="left" rowspan="1" colspan="1">25.46±6.76</td><td valign="top" align="left" rowspan="1" colspan="1">30.93±8.74</td><td valign="top" align="left" rowspan="1" colspan="1">35.85±7.25</td><td valign="top" align="left" rowspan="1" colspan="1">29.05±8.49</td><td valign="top" align="left" rowspan="1" colspan="1"><0.001<xref ref-type="table-fn" rid="tfn1-cia-12-611">**</xref></td></tr><tr><td colspan="6" align="left" valign="bottom" rowspan="1"><hr></hr></td></tr><tr><td rowspan="2" valign="top" align="left" colspan="1"></td><td colspan="3" valign="top" align="left" rowspan="1"><bold>Sex</bold><hr></hr></td><td rowspan="2" valign="top" align="left" colspan="1"></td><td rowspan="2" valign="top" align="left" colspan="1"></td></tr><tr><td valign="top" align="left" rowspan="1" colspan="1"><bold>Male</bold></td><td valign="top" align="left" rowspan="1" colspan="1"></td><td valign="top" align="left" rowspan="1" colspan="1"><bold>Female</bold></td></tr><tr><td colspan="6" align="left" valign="bottom" rowspan="1"><hr></hr></td></tr><tr><td valign="top" align="left" rowspan="1" colspan="1">Right side</td><td valign="top" align="left" rowspan="1" colspan="1">29.51±8.06</td><td valign="top" align="left" rowspan="1" colspan="1"></td><td valign="top" align="left" rowspan="1" colspan="1">27.93±8.63</td><td valign="top" align="left" rowspan="1" colspan="1">28.75±8.36</td><td valign="top" align="left" rowspan="1" colspan="1">0.183</td></tr><tr><td valign="top" align="left" rowspan="1" colspan="1">Left side</td><td valign="top" align="left" rowspan="1" colspan="1">30.67±8.79</td><td valign="top" align="left" rowspan="1" colspan="1"></td><td valign="top" align="left" rowspan="1" colspan="1">27.30±7.82</td><td valign="top" align="left" rowspan="1" colspan="1">29.05±8.49</td><td valign="top" align="left" rowspan="1" colspan="1">0.005<xref ref-type="table-fn" rid="tfn1-cia-12-611">**</xref></td></tr></tbody></table><table-wrap-foot><fn><p><bold>Notes:</bold></p></fn><fn id="tfn1-cia-12-611"><label>**</label><p>Strongly significant (<italic>P</italic>-value ≤0.01). Data presented as mean ± standard deviation.</p></fn></table-wrap-foot></table-wrap><table-wrap id="t2-cia-12-611" position="float"><label>Table 2</label><caption><p>Type of elongation of the styloid process</p></caption><table frame="hsides" rules="groups"><thead><tr><th rowspan="2" valign="top" align="left" colspan="1">Type of elongation</th><th colspan="2" valign="top" align="left" rowspan="1">Right side
<hr></hr></th><th colspan="2" valign="top" align="left" rowspan="1">Left side
<hr></hr></th></tr><tr><th valign="top" align="left" rowspan="1" colspan="1">n</th><th valign="top" align="left" rowspan="1" colspan="1">%</th><th valign="top" align="left" rowspan="1" colspan="1">n</th><th valign="top" align="left" rowspan="1" colspan="1">%</th></tr></thead><tbody><tr><td valign="top" align="left" rowspan="1" colspan="1">Normal</td><td valign="top" align="left" rowspan="1" colspan="1">120</td><td valign="top" align="left" rowspan="1" colspan="1">60.6</td><td valign="top" align="left" rowspan="1" colspan="1">111</td><td valign="top" align="left" rowspan="1" colspan="1">56.1</td></tr><tr><td valign="top" align="left" rowspan="1" colspan="1">Type I</td><td valign="top" align="left" rowspan="1" colspan="1">54</td><td valign="top" align="left" rowspan="1" colspan="1">27.3</td><td valign="top" align="left" rowspan="1" colspan="1">44</td><td valign="top" align="left" rowspan="1" colspan="1">22.2</td></tr><tr><td valign="top" align="left" rowspan="1" colspan="1">Type II</td><td valign="top" align="left" rowspan="1" colspan="1">19</td><td valign="top" align="left" rowspan="1" colspan="1">9.6</td><td valign="top" align="left" rowspan="1" colspan="1">24</td><td valign="top" align="left" rowspan="1" colspan="1">12.1</td></tr><tr><td valign="top" align="left" rowspan="1" colspan="1">Type III</td><td valign="top" align="left" rowspan="1" colspan="1">5</td><td valign="top" align="left" rowspan="1" colspan="1">2.5</td><td valign="top" align="left" rowspan="1" colspan="1">19</td><td valign="top" align="left" rowspan="1" colspan="1">9.6</td></tr></tbody></table></table-wrap><table-wrap id="t3-cia-12-611" position="float"><label>Table 3</label><caption><p>Length of the styloid process according to the type of elongation on the right and left sides</p></caption><table frame="hsides" rules="groups"><thead><tr><th rowspan="2" valign="top" align="left" colspan="1">Length</th><th colspan="4" valign="top" align="left" rowspan="1">Type of elongation
<hr></hr></th><th rowspan="2" valign="top" align="left" colspan="1">Total</th><th rowspan="2" valign="top" align="left" colspan="1"><italic>P</italic>-value</th></tr><tr><th valign="top" align="left" rowspan="1" colspan="1">Normal</th><th valign="top" align="left" rowspan="1" colspan="1">Type I</th><th valign="top" align="left" rowspan="1" colspan="1">Type II</th><th valign="top" align="left" rowspan="1" colspan="1">Type III</th></tr></thead><tbody><tr><td valign="top" align="left" rowspan="1" colspan="1">Length on the right side (mm)</td><td valign="top" align="left" rowspan="1" colspan="1">23.95±4.12</td><td valign="top" align="left" rowspan="1" colspan="1">36.23±5.66</td><td valign="top" align="left" rowspan="1" colspan="1">37.14±11.58</td><td valign="top" align="left" rowspan="1" colspan="1">31.44±10.74</td><td valign="top" align="left" rowspan="1" colspan="1">28.75±8.36</td><td valign="top" align="left" rowspan="1" colspan="1"><0.001<xref ref-type="table-fn" rid="tfn2-cia-12-611">**</xref></td></tr><tr><td valign="top" align="left" rowspan="1" colspan="1">Length on the left side (mm)</td><td valign="top" align="left" rowspan="1" colspan="1">23.63±4.67</td><td valign="top" align="left" rowspan="1" colspan="1">36.07±5.46</td><td valign="top" align="left" rowspan="1" colspan="1">36.14±8.88</td><td valign="top" align="left" rowspan="1" colspan="1">35.56±8.31</td><td valign="top" align="left" rowspan="1" colspan="1">29.05±8.49</td><td valign="top" align="left" rowspan="1" colspan="1"><0.001<xref ref-type="table-fn" rid="tfn2-cia-12-611">**</xref></td></tr></tbody></table><table-wrap-foot><fn><p><bold>Notes:</bold></p></fn><fn id="tfn2-cia-12-611"><label>**</label><p>Strongly significant (<italic>P</italic>-value ≤0.01). Data presented as mean ± standard deviation.</p></fn></table-wrap-foot></table-wrap><table-wrap id="t4-cia-12-611" position="float"><label>Table 4</label><caption><p>Distribution of subjects according to the increasing length of the styloid process on the right and left sides</p></caption><table frame="hsides" rules="groups"><thead><tr><th rowspan="2" valign="top" align="left" colspan="1">Length of styloid process (mm)</th><th colspan="3" valign="top" align="left" rowspan="1">Right side
<hr></hr></th><th colspan="3" valign="top" align="left" rowspan="1">Left side
<hr></hr></th></tr><tr><th valign="top" align="left" rowspan="1" colspan="1">n</th><th valign="top" align="left" rowspan="1" colspan="1">%</th><th valign="top" align="left" rowspan="1" colspan="1">Mean ± SD</th><th valign="top" align="left" rowspan="1" colspan="1">n</th><th valign="top" align="left" rowspan="1" colspan="1">%</th><th valign="top" align="left" rowspan="1" colspan="1">Mean ± SD</th></tr></thead><tbody><tr><td valign="top" align="left" rowspan="1" colspan="1">1–10</td><td valign="top" align="left" rowspan="1" colspan="1">0</td><td valign="top" align="left" rowspan="1" colspan="1">0.00</td><td valign="top" align="left" rowspan="1" colspan="1">28.75±8.36</td><td valign="top" align="left" rowspan="1" colspan="1">1</td><td valign="top" align="left" rowspan="1" colspan="1">0.5</td><td valign="top" align="left" rowspan="1" colspan="1">29.05±8.49</td></tr><tr><td valign="top" align="left" rowspan="1" colspan="1">11–20</td><td valign="top" align="left" rowspan="1" colspan="1">28</td><td valign="top" align="left" rowspan="1" colspan="1">14.1</td><td valign="top" align="left" rowspan="1" colspan="1"></td><td valign="top" align="left" rowspan="1" colspan="1">32</td><td valign="top" align="left" rowspan="1" colspan="1">16.2</td><td valign="top" align="left" rowspan="1" colspan="1"></td></tr><tr><td valign="top" align="left" rowspan="1" colspan="1">21–30</td><td valign="top" align="left" rowspan="1" colspan="1">92</td><td valign="top" align="left" rowspan="1" colspan="1">49.5</td><td valign="top" align="left" rowspan="1" colspan="1"></td><td valign="top" align="left" rowspan="1" colspan="1">78</td><td valign="top" align="left" rowspan="1" colspan="1">44.9</td><td valign="top" align="left" rowspan="1" colspan="1"></td></tr><tr><td valign="top" align="left" rowspan="1" colspan="1">31–40</td><td valign="top" align="left" rowspan="1" colspan="1">61</td><td valign="top" align="left" rowspan="1" colspan="1">29.3</td><td valign="top" align="left" rowspan="1" colspan="1"></td><td valign="top" align="left" rowspan="1" colspan="1">66</td><td valign="top" align="left" rowspan="1" colspan="1">30.8</td><td valign="top" align="left" rowspan="1" colspan="1"></td></tr><tr><td valign="top" align="left" rowspan="1" colspan="1">41–50</td><td valign="top" align="left" rowspan="1" colspan="1">14</td><td valign="top" align="left" rowspan="1" colspan="1">5.6</td><td valign="top" align="left" rowspan="1" colspan="1"></td><td valign="top" align="left" rowspan="1" colspan="1">15</td><td valign="top" align="left" rowspan="1" colspan="1">4.5</td><td valign="top" align="left" rowspan="1" colspan="1"></td></tr><tr><td valign="top" align="left" rowspan="1" colspan="1">>50</td><td valign="top" align="left" rowspan="1" colspan="1">3</td><td valign="top" align="left" rowspan="1" colspan="1">1.5</td><td valign="top" align="left" rowspan="1" colspan="1"></td><td valign="top" align="left" rowspan="1" colspan="1">6</td><td valign="top" align="left" rowspan="1" colspan="1">3.0</td><td valign="top" align="left" rowspan="1" colspan="1"></td></tr></tbody></table><table-wrap-foot><fn id="tfn3-cia-12-611"><p><bold>Abbreviation:</bold> SD, standard deviation.</p></fn></table-wrap-foot></table-wrap><table-wrap id="t5-cia-12-611" position="float"><label>Table 5</label><caption><p>Distribution of subjects according to the type of elongation and length on the right and left sides</p></caption><table frame="hsides" rules="groups"><thead><tr><th valign="top" align="left" rowspan="1" colspan="1">Type of elongation</th><th valign="top" align="left" rowspan="1" colspan="1">31–40 mm</th><th valign="top" align="left" rowspan="1" colspan="1">41–50 mm</th><th valign="top" align="left" rowspan="1" colspan="1">>50 mm</th></tr></thead><tbody><tr><td colspan="4" valign="top" align="left" rowspan="1">Right side</td></tr><tr><td valign="top" align="left" rowspan="1" colspan="1"> Type I</td><td valign="top" align="left" rowspan="1" colspan="1">43</td><td valign="top" align="left" rowspan="1" colspan="1">10</td><td valign="top" align="left" rowspan="1" colspan="1">1</td></tr><tr><td valign="top" align="left" rowspan="1" colspan="1"> Type II</td><td valign="top" align="left" rowspan="1" colspan="1">14</td><td valign="top" align="left" rowspan="1" colspan="1">3</td><td valign="top" align="left" rowspan="1" colspan="1">2</td></tr><tr><td valign="top" align="left" rowspan="1" colspan="1"> Type III</td><td valign="top" align="left" rowspan="1" colspan="1">4</td><td valign="top" align="left" rowspan="1" colspan="1">1</td><td valign="top" align="left" rowspan="1" colspan="1">0</td></tr><tr><td colspan="4" valign="top" align="left" rowspan="1">Left side</td></tr><tr><td valign="top" align="left" rowspan="1" colspan="1"> Type I</td><td valign="top" align="left" rowspan="1" colspan="1">36</td><td valign="top" align="left" rowspan="1" colspan="1">6</td><td valign="top" align="left" rowspan="1" colspan="1">2</td></tr><tr><td valign="top" align="left" rowspan="1" colspan="1"> Type II</td><td valign="top" align="left" rowspan="1" colspan="1">19</td><td valign="top" align="left" rowspan="1" colspan="1">2</td><td valign="top" align="left" rowspan="1" colspan="1">3</td></tr><tr><td valign="top" align="left" rowspan="1" colspan="1"> Type III</td><td valign="top" align="left" rowspan="1" colspan="1">11</td><td valign="top" align="left" rowspan="1" colspan="1">7</td><td valign="top" align="left" rowspan="1" colspan="1">1</td></tr></tbody></table></table-wrap><table-wrap id="t6-cia-12-611" position="float"><label>Table 6</label><caption><p>Correlation of type of the elongated styloid process with age</p></caption><table frame="hsides" rules="groups"><thead><tr><th rowspan="2" valign="top" align="left" colspan="1">Type of elongation</th><th colspan="3" valign="top" align="left" rowspan="1">Age (years)
<hr></hr></th><th rowspan="2" valign="top" align="left" colspan="1">Total (n=198)</th><th rowspan="2" valign="top" align="left" colspan="1"><italic>P</italic>-value</th></tr><tr><th valign="top" align="left" rowspan="1" colspan="1">60–69 (n=94)</th><th valign="top" align="left" rowspan="1" colspan="1">70–79 (n=75)</th><th valign="top" align="left" rowspan="1" colspan="1">≥80 (n=29)</th></tr></thead><tbody><tr><td colspan="6" valign="top" align="left" rowspan="1">Right side, n (%)</td></tr><tr><td valign="top" align="left" rowspan="1" colspan="1"> Normal</td><td valign="top" align="left" rowspan="1" colspan="1">83 (88.3)</td><td valign="top" align="left" rowspan="1" colspan="1">34 (45.3)</td><td valign="top" align="left" rowspan="1" colspan="1">3 (10.3)</td><td valign="top" align="left" rowspan="1" colspan="1">120 (60.6)</td><td valign="top" align="left" rowspan="1" colspan="1"><0.001<xref ref-type="table-fn" rid="tfn4-cia-12-611">**</xref></td></tr><tr><td valign="top" align="left" rowspan="1" colspan="1"> Type I</td><td valign="top" align="left" rowspan="1" colspan="1">10 (10.6)</td><td valign="top" align="left" rowspan="1" colspan="1">32 (42.7)</td><td valign="top" align="left" rowspan="1" colspan="1">12 (41.4)</td><td valign="top" align="left" rowspan="1" colspan="1">54 (27.3)</td><td valign="top" align="left" rowspan="1" colspan="1"></td></tr><tr><td valign="top" align="left" rowspan="1" colspan="1"> Type II</td><td valign="top" align="left" rowspan="1" colspan="1">0 (0)</td><td valign="top" align="left" rowspan="1" colspan="1">5 (6.7)</td><td valign="top" align="left" rowspan="1" colspan="1">14 (48.3)</td><td valign="top" align="left" rowspan="1" colspan="1">19 (9.6)</td><td valign="top" align="left" rowspan="1" colspan="1"></td></tr><tr><td valign="top" align="left" rowspan="1" colspan="1"> Type III</td><td valign="top" align="left" rowspan="1" colspan="1">1 (1.1)</td><td valign="top" align="left" rowspan="1" colspan="1">4 (5.3)</td><td valign="top" align="left" rowspan="1" colspan="1">0 (0)</td><td valign="top" align="left" rowspan="1" colspan="1">5 (2.5)</td><td valign="top" align="left" rowspan="1" colspan="1"></td></tr><tr><td colspan="6" valign="top" align="left" rowspan="1">Left side, n (%)</td></tr><tr><td valign="top" align="left" rowspan="1" colspan="1"> Normal</td><td valign="top" align="left" rowspan="1" colspan="1">76 (80.9)</td><td valign="top" align="left" rowspan="1" colspan="1">32 (42.7)</td><td valign="top" align="left" rowspan="1" colspan="1">3 (10.3)</td><td valign="top" align="left" rowspan="1" colspan="1">111 (56.1)</td><td valign="top" align="left" rowspan="1" colspan="1"><0.001<xref ref-type="table-fn" rid="tfn4-cia-12-611">**</xref></td></tr><tr><td valign="top" align="left" rowspan="1" colspan="1"> Type I</td><td valign="top" align="left" rowspan="1" colspan="1">10 (10.6)</td><td valign="top" align="left" rowspan="1" colspan="1">23 (30.7)</td><td valign="top" align="left" rowspan="1" colspan="1">11 (37.9)</td><td valign="top" align="left" rowspan="1" colspan="1">44 (22.2)</td><td valign="top" align="left" rowspan="1" colspan="1"></td></tr><tr><td valign="top" align="left" rowspan="1" colspan="1"> Type II</td><td valign="top" align="left" rowspan="1" colspan="1">4 (4.3)</td><td valign="top" align="left" rowspan="1" colspan="1">12 (16)</td><td valign="top" align="left" rowspan="1" colspan="1">8 (27.6)</td><td valign="top" align="left" rowspan="1" colspan="1">24 (12.1)</td><td valign="top" align="left" rowspan="1" colspan="1"></td></tr><tr><td valign="top" align="left" rowspan="1" colspan="1"> Type III</td><td valign="top" align="left" rowspan="1" colspan="1">4 (4.3)</td><td valign="top" align="left" rowspan="1" colspan="1">8 (10.7)</td><td valign="top" align="left" rowspan="1" colspan="1">7 (24.1)</td><td valign="top" align="left" rowspan="1" colspan="1">19 (9.6)</td><td valign="top" align="left" rowspan="1" colspan="1"></td></tr></tbody></table><table-wrap-foot><fn><p><bold>Note:</bold></p></fn><fn id="tfn4-cia-12-611"><label>**</label><p>Strongly significant (<italic>P</italic>-value ≤0.01).</p></fn></table-wrap-foot></table-wrap><table-wrap id="t7-cia-12-611" position="float"><label>Table 7</label><caption><p>Correlation of type of the elongated styloid process with sex</p></caption><table frame="hsides" rules="groups"><thead><tr><th rowspan="2" valign="top" align="left" colspan="1">Type of elongation</th><th colspan="2" valign="top" align="left" rowspan="1">Sex
<hr></hr></th><th rowspan="2" valign="top" align="left" colspan="1">Total<break></break>(n=198)</th><th rowspan="2" valign="top" align="left" colspan="1"><italic>P</italic>-value</th></tr><tr><th valign="top" align="left" rowspan="1" colspan="1">Male<break></break>(n=103)</th><th valign="top" align="left" rowspan="1" colspan="1">Female<break></break>(n=95)</th></tr></thead><tbody><tr><td colspan="5" valign="top" align="left" rowspan="1">Right side, n (%)</td></tr><tr><td valign="top" align="left" rowspan="1" colspan="1"> Normal</td><td valign="top" align="left" rowspan="1" colspan="1">59 (57.3)</td><td valign="top" align="left" rowspan="1" colspan="1">61 (64.2)</td><td valign="top" align="left" rowspan="1" colspan="1">120 (60.6)</td><td valign="top" align="left" rowspan="1" colspan="1">0.380</td></tr><tr><td valign="top" align="left" rowspan="1" colspan="1"> Type I</td><td valign="top" align="left" rowspan="1" colspan="1">33 (32)</td><td valign="top" align="left" rowspan="1" colspan="1">21 (22.1)</td><td valign="top" align="left" rowspan="1" colspan="1">54 (27.3)</td><td valign="top" align="left" rowspan="1" colspan="1"></td></tr><tr><td valign="top" align="left" rowspan="1" colspan="1"> Type II</td><td valign="top" align="left" rowspan="1" colspan="1">8 (7.8)</td><td valign="top" align="left" rowspan="1" colspan="1">11 (11.6)</td><td valign="top" align="left" rowspan="1" colspan="1">19 (9.6)</td><td valign="top" align="left" rowspan="1" colspan="1"></td></tr><tr><td valign="top" align="left" rowspan="1" colspan="1"> Type III</td><td valign="top" align="left" rowspan="1" colspan="1">3 (2.9)</td><td valign="top" align="left" rowspan="1" colspan="1">2 (2.1)</td><td valign="top" align="left" rowspan="1" colspan="1">5 (2.5)</td><td valign="top" align="left" rowspan="1" colspan="1"></td></tr><tr><td colspan="5" valign="top" align="left" rowspan="1">Left side, n (%)</td></tr><tr><td valign="top" align="left" rowspan="1" colspan="1"> Normal</td><td valign="top" align="left" rowspan="1" colspan="1">49 (47.6)</td><td valign="top" align="left" rowspan="1" colspan="1">62 (65.3)</td><td valign="top" align="left" rowspan="1" colspan="1">111 (56.1)</td><td valign="top" align="left" rowspan="1" colspan="1">0.085<xref ref-type="table-fn" rid="tfn5-cia-12-611">#</xref></td></tr><tr><td valign="top" align="left" rowspan="1" colspan="1"> Type I</td><td valign="top" align="left" rowspan="1" colspan="1">27 (26.2)</td><td valign="top" align="left" rowspan="1" colspan="1">17 (17.9)</td><td valign="top" align="left" rowspan="1" colspan="1">44 (22.2)</td><td valign="top" align="left" rowspan="1" colspan="1"></td></tr><tr><td valign="top" align="left" rowspan="1" colspan="1"> Type II</td><td valign="top" align="left" rowspan="1" colspan="1">16 (15.5)</td><td valign="top" align="left" rowspan="1" colspan="1">8 (8.4)</td><td valign="top" align="left" rowspan="1" colspan="1">24 (12.1)</td><td valign="top" align="left" rowspan="1" colspan="1"></td></tr><tr><td valign="top" align="left" rowspan="1" colspan="1"> Type III</td><td valign="top" align="left" rowspan="1" colspan="1">11 (10.7)</td><td valign="top" align="left" rowspan="1" colspan="1">8 (8.4)</td><td valign="top" align="left" rowspan="1" colspan="1">19 (9.6)</td><td valign="top" align="left" rowspan="1" colspan="1"></td></tr></tbody></table><table-wrap-foot><fn><p><bold>Note:</bold></p></fn><fn id="tfn5-cia-12-611"><label>#</label><p>Suggestive significance (0.05< <italic>P</italic>-value <0.10).</p></fn></table-wrap-foot></table-wrap><table-wrap id="t8-cia-12-611" position="float"><label>Table 8</label><caption><p>Distribution of unilateral and bilateral elongation of the styloid process</p></caption><table frame="hsides" rules="groups"><thead><tr><th rowspan="2" valign="top" align="left" colspan="1">Sex</th><th colspan="2" valign="top" align="left" rowspan="1">Unilateral
<hr></hr></th><th colspan="2" valign="top" align="left" rowspan="1">Bilateral
<hr></hr></th></tr><tr><th valign="top" align="left" rowspan="1" colspan="1">n</th><th valign="top" align="left" rowspan="1" colspan="1">%</th><th valign="top" align="left" rowspan="1" colspan="1">n</th><th valign="top" align="left" rowspan="1" colspan="1">%</th></tr></thead><tbody><tr><td valign="top" align="left" rowspan="1" colspan="1">Male</td><td valign="top" align="left" rowspan="1" colspan="1">15</td><td valign="top" align="left" rowspan="1" colspan="1">17.2</td><td valign="top" align="left" rowspan="1" colspan="1">39</td><td valign="top" align="left" rowspan="1" colspan="1">44.8</td></tr><tr><td valign="top" align="left" rowspan="1" colspan="1">Female</td><td valign="top" align="left" rowspan="1" colspan="1">10</td><td valign="top" align="left" rowspan="1" colspan="1">11.4</td><td valign="top" align="left" rowspan="1" colspan="1">23</td><td valign="top" align="left" rowspan="1" colspan="1">26.6</td></tr><tr><td valign="top" align="left" rowspan="1" colspan="1">Total</td><td valign="top" align="left" rowspan="1" colspan="1">25</td><td valign="top" align="left" rowspan="1" colspan="1">28.6</td><td valign="top" align="left" rowspan="1" colspan="1">62</td><td valign="top" align="left" rowspan="1" colspan="1">71.4</td></tr></tbody></table></table-wrap></floats-group></pmc></record>Pour manipuler ce document sous Unix (Dilib)
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