Family history information on essential tremor: Potential biases related to the source of the cases
Identifieur interne : 004802 ( Main/Exploration ); précédent : 004801; suivant : 004803Family history information on essential tremor: Potential biases related to the source of the cases
Auteurs : Elan D. Louis [États-Unis] ; Livia F. Barnes [États-Unis] ; Blair Ford [États-Unis] ; Ruth Ottman [États-Unis]Source :
- Movement Disorders [ 0885-3185 ] ; 2001-03.
Descripteurs français
- Pascal (Inist)
English descriptors
- KwdEn :
- Aged, Aged, 80 and over, Ambulatory Care Facilities, Cognition Disorders (epidemiology), Community Health Services, Epidemiology, Essential, Essential Tremor (diagnosis), Essential Tremor (epidemiology), Essential Tremor (genetics), Family story, Female, Group selection, Humans, Male, Medical History Taking, Methodological bias, Methodology, Middle Aged, Registries (statistics & numerical data), Severity of Illness Index, Tremor, Videotape Recording, essential tremor, family history, genetic epidemiology, genetics.
- MESH :
- diagnosis : Essential Tremor.
- epidemiology : Cognition Disorders, Essential Tremor.
- genetics : Essential Tremor.
- statistics & numerical data : Registries.
- Aged, Aged, 80 and over, Ambulatory Care Facilities, Community Health Services, Female, Humans, Male, Medical History Taking, Middle Aged, Severity of Illness Index, Videotape Recording.
Abstract
The proportion of essential tremor (ET) cases that can be attributed to genetic factors is unknown; estimates range from 17–100%. One possible reason for this variability is that clinic and community cases may differ with regard to family history of ET. This is because clinic patients are self‐selected and represent as few as 0.5% of all ET cases. Our goal was to determine whether ET cases ascertained from a clinic differed from those ascertained from a community in terms of the family history information that they provided. Subjects (57 clinic, 64 community) underwent a family history interview. Clinic cases were 4.73 times more likely to report an affected relative than were community cases. We conclude that there was a substantial difference between our clinic and community ET cases in terms of the information they provided regarding their family history. Selection and reporting biases could have accounted for this difference. Because of these biases, the source of the cases must be taken into consideration when investigators are trying to synthesize the widely variable results of studies that have estimated the genetic contribution to ET. © 2001 Movement Disorder Society.
Url:
DOI: 10.1002/mds.1040
Affiliations:
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Le document en format XML
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Sergievsky Center, College of Physicians and Surgeons, Columbia University, New York, New York</wicri:regionArea><placeName><region type="state">État de New York</region><settlement type="city">New York</settlement></placeName><orgName type="university">Université Columbia</orgName></affiliation><affiliation wicri:level="4"><country xml:lang="fr">États-Unis</country><wicri:regionArea>School of Public Health (Epidemiology Division), Columbia University, New York, New York</wicri:regionArea><placeName><region type="state">État de New York</region><settlement type="city">New York</settlement></placeName><orgName type="university">Université Columbia</orgName></affiliation><affiliation wicri:level="2"><country xml:lang="fr">États-Unis</country><wicri:regionArea>Epidemiology of Brain Disorders Research Department, New York State Psychiatric Institute, New York, New York</wicri:regionArea><placeName><region type="state">État de New York</region></placeName></affiliation></author></analytic><monogr></monogr><series><title level="j">Movement Disorders</title><title level="j" type="sub">Official Journal of the Movement Disorder Society</title><title level="j" type="abbrev">Mov. Disord.</title><idno type="ISSN">0885-3185</idno><idno type="eISSN">1531-8257</idno><imprint><publisher>John Wiley & Sons, Inc.</publisher><pubPlace>New York</pubPlace><date type="published" when="2001-03">2001-03</date><biblScope unit="vol">16</biblScope><biblScope unit="issue">2</biblScope><biblScope unit="page" from="320">320</biblScope><biblScope unit="page" to="324">324</biblScope></imprint><idno type="ISSN">0885-3185</idno></series><idno type="istex">15AD9F4CE15AD85EFB5DD9D255606936AB08A2CC</idno><idno type="DOI">10.1002/mds.1040</idno><idno type="ArticleID">MDS1040</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0885-3185</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Aged</term><term>Aged, 80 and over</term><term>Ambulatory Care Facilities</term><term>Cognition Disorders (epidemiology)</term><term>Community Health Services</term><term>Epidemiology</term><term>Essential</term><term>Essential Tremor (diagnosis)</term><term>Essential Tremor (epidemiology)</term><term>Essential Tremor (genetics)</term><term>Family story</term><term>Female</term><term>Group selection</term><term>Humans</term><term>Male</term><term>Medical History Taking</term><term>Methodological bias</term><term>Methodology</term><term>Middle Aged</term><term>Registries (statistics & numerical data)</term><term>Severity of Illness Index</term><term>Tremor</term><term>Videotape Recording</term><term>essential tremor</term><term>family history</term><term>genetic epidemiology</term><term>genetics</term></keywords><keywords scheme="MESH" qualifier="diagnosis" xml:lang="en"><term>Essential Tremor</term></keywords><keywords scheme="MESH" qualifier="epidemiology" xml:lang="en"><term>Cognition Disorders</term><term>Essential Tremor</term></keywords><keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Essential Tremor</term></keywords><keywords scheme="MESH" qualifier="statistics & numerical data" xml:lang="en"><term>Registries</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Aged</term><term>Aged, 80 and over</term><term>Ambulatory Care Facilities</term><term>Community Health Services</term><term>Female</term><term>Humans</term><term>Male</term><term>Medical History Taking</term><term>Middle Aged</term><term>Severity of Illness Index</term><term>Videotape Recording</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Biais méthodologique</term><term>Epidémiologie</term><term>Essentiel</term><term>Histoire familiale</term><term>Méthodologie</term><term>Sélection groupe</term><term>Tremblement</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="fr">The proportion of essential tremor (ET) cases that can be attributed to genetic factors is unknown; estimates range from 17–100%. One possible reason for this variability is that clinic and community cases may differ with regard to family history of ET. This is because clinic patients are self‐selected and represent as few as 0.5% of all ET cases. Our goal was to determine whether ET cases ascertained from a clinic differed from those ascertained from a community in terms of the family history information that they provided. Subjects (57 clinic, 64 community) underwent a family history interview. Clinic cases were 4.73 times more likely to report an affected relative than were community cases. We conclude that there was a substantial difference between our clinic and community ET cases in terms of the information they provided regarding their family history. Selection and reporting biases could have accounted for this difference. Because of these biases, the source of the cases must be taken into consideration when investigators are trying to synthesize the widely variable results of studies that have estimated the genetic contribution to ET. © 2001 Movement Disorder Society.</div></front></TEI><affiliations><list><country><li>États-Unis</li></country><region><li>État de New York</li></region><settlement><li>New York</li></settlement><orgName><li>Université Columbia</li></orgName></list><tree><country name="États-Unis"><region name="État de New York"><name sortKey="Louis, Elan D" sort="Louis, Elan D" uniqKey="Louis E" first="Elan D." last="Louis">Elan D. Louis</name></region><name sortKey="Barnes, Livia F" sort="Barnes, Livia F" uniqKey="Barnes L" first="Livia F." last="Barnes">Livia F. Barnes</name><name sortKey="Ford, Blair" sort="Ford, Blair" uniqKey="Ford B" first="Blair" last="Ford">Blair Ford</name><name sortKey="Louis, Elan D" sort="Louis, Elan D" uniqKey="Louis E" first="Elan D." last="Louis">Elan D. Louis</name><name sortKey="Ottman, Ruth" sort="Ottman, Ruth" uniqKey="Ottman R" first="Ruth" last="Ottman">Ruth Ottman</name><name sortKey="Ottman, Ruth" sort="Ottman, Ruth" uniqKey="Ottman R" first="Ruth" last="Ottman">Ruth Ottman</name><name sortKey="Ottman, Ruth" sort="Ottman, Ruth" uniqKey="Ottman R" first="Ruth" last="Ottman">Ruth Ottman</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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