SrasV1, Main, Exploration, bibRecord, 006088

Air pollution and case fatality of SARS in the People's Republic of China: an ecologic study

Identifieur interne : 006088 ( Main/Exploration ); précédent : 006087; suivant : 006089

Air pollution and case fatality of SARS in the People's Republic of China: an ecologic study

Auteurs : Yan Cui [États-Unis] ; Zuo-Feng Zhang [États-Unis] ; John Froines [États-Unis] ; Jinkou Zhao [République populaire de Chine] ; Hua Wang [République populaire de Chine] ; Shun-Zhang Yu [République populaire de Chine] ; Roger Detels [États-Unis]

Source :

Environmental Health [ 1476-069X ] ; 2003.

RBID : PMC:293432

Descripteurs français

KwdFr :
- Chine (épidémiologie), Flambées de maladies (), Humains, Informatique en santé publique, Polluants atmosphériques (analyse), Syndrome respiratoire aigu sévère (mortalité), Syndrome respiratoire aigu sévère (étiologie), Virus du SRAS (pathogénicité), Écologie, Évaluation des risques.
MESH :
- analyse : Polluants atmosphériques.
- mortalité : Syndrome respiratoire aigu sévère.
- pathogénicité : Virus du SRAS.
- épidémiologie : Chine.
- étiologie : Syndrome respiratoire aigu sévère.
- Flambées de maladies, Humains, Informatique en santé publique, Écologie, Évaluation des risques.
Wicri :
- geographic : République populaire de Chine.

English descriptors

KwdEn :
- Air Pollutants (analysis), China (epidemiology), Disease Outbreaks (prevention & control), Ecology, Humans, Public Health Informatics, Risk Assessment, SARS Virus (pathogenicity), Severe Acute Respiratory Syndrome (etiology), Severe Acute Respiratory Syndrome (mortality).
MESH :
- chemical , analysis : Air Pollutants.
- geographic , epidemiology : China.
- etiology : Severe Acute Respiratory Syndrome.
- mortality : Severe Acute Respiratory Syndrome.
- pathogenicity : SARS Virus.
- prevention & control : Disease Outbreaks.
- Ecology, Humans, Public Health Informatics, Risk Assessment.

Abstract

Background

Severe acute respiratory syndrome (SARS) has claimed 349 lives with 5,327 probable cases reported in mainland China since November 2002. SARS case fatality has varied across geographical areas, which might be partially explained by air pollution level.

Methods

Publicly accessible data on SARS morbidity and mortality were utilized in the data analysis. Air pollution was evaluated by air pollution index (API) derived from the concentrations of particulate matter, sulfur dioxide, nitrogen dioxide, carbon monoxide and ground-level ozone. Ecologic analysis was conducted to explore the association and correlation between air pollution and SARS case fatality via model fitting. Partially ecologic studies were performed to assess the effects of long-term and short-term exposures on the risk of dying from SARS.

Results

Ecologic analysis conducted among 5 regions with 100 or more SARS cases showed that case fatality rate increased with the increment of API (case fatality = - 0.063 + 0.001 * API). Partially ecologic study based on short-term exposure demonstrated that SARS patients from regions with moderate APIs had an 84% increased risk of dying from SARS compared to those from regions with low APIs (RR = 1.84, 95% CI: 1.41–2.40). Similarly, SARS patients from regions with high APIs were twice as likely to die from SARS compared to those from regions with low APIs. (RR = 2.18, 95% CI: 1.31–3.65). Partially ecologic analysis based on long-term exposure to ambient air pollution showed the similar association.

Conclusion

Our studies demonstrated a positive association between air pollution and SARS case fatality in Chinese population by utilizing publicly accessible data on SARS statistics and air pollution indices. Although ecologic fallacy and uncontrolled confounding effect might have biased the results, the possibility of a detrimental effect of air pollution on the prognosis of SARS patients deserves further investigation.

Url:

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC293432

DOI: 10.1186/1476-069X-2-15
PubMed: 14629774
PubMed Central: 293432

Affiliations:

République populaire de Chine, États-Unis

Le document en format XML

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<term>Ecology</term>
<term>Humans</term>
<term>Public Health Informatics</term>
<term>Risk Assessment</term>
<term>SARS Virus (pathogenicity)</term>
<term>Severe Acute Respiratory Syndrome (etiology)</term>
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<term>Informatique en santé publique</term>
<term>Polluants atmosphériques (analyse)</term>
<term>Syndrome respiratoire aigu sévère (mortalité)</term>
<term>Syndrome respiratoire aigu sévère (étiologie)</term>
<term>Virus du SRAS (pathogénicité)</term>
<term>Écologie</term>
<term>Évaluation des risques</term>
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<keywords scheme="MESH" qualifier="mortality" xml:lang="en"><term>Severe Acute Respiratory Syndrome</term>
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<keywords scheme="MESH" qualifier="mortalité" xml:lang="fr"><term>Syndrome respiratoire aigu sévère</term>
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<term>Évaluation des risques</term>
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<front><div type="abstract" xml:lang="en"><sec><title>Background</title>
<p>Severe acute respiratory syndrome (SARS) has claimed 349 lives with 5,327 probable cases reported in mainland China since November 2002. SARS case fatality has varied across geographical areas, which might be partially explained by air pollution level.</p>
</sec>
<sec sec-type="methods"><title>Methods</title>
<p>Publicly accessible data on SARS morbidity and mortality were utilized in the data analysis. Air pollution was evaluated by air pollution index (API) derived from the concentrations of particulate matter, sulfur dioxide, nitrogen dioxide, carbon monoxide and ground-level ozone. Ecologic analysis was conducted to explore the association and correlation between air pollution and SARS case fatality via model fitting. Partially ecologic studies were performed to assess the effects of long-term and short-term exposures on the risk of dying from SARS.</p>
</sec>
<sec><title>Results</title>
<p>Ecologic analysis conducted among 5 regions with 100 or more SARS cases showed that case fatality rate increased with the increment of API (case fatality = - 0.063 + 0.001 * API). Partially ecologic study based on short-term exposure demonstrated that SARS patients from regions with moderate APIs had an 84% increased risk of dying from SARS compared to those from regions with low APIs (RR = 1.84, 95% CI: 1.41–2.40). Similarly, SARS patients from regions with high APIs were twice as likely to die from SARS compared to those from regions with low APIs. (RR = 2.18, 95% CI: 1.31–3.65). Partially ecologic analysis based on long-term exposure to ambient air pollution showed the similar association.</p>
</sec>
<sec><title>Conclusion</title>
<p>Our studies demonstrated a positive association between air pollution and SARS case fatality in Chinese population by utilizing publicly accessible data on SARS statistics and air pollution indices. Although ecologic fallacy and uncontrolled confounding effect might have biased the results, the possibility of a detrimental effect of air pollution on the prognosis of SARS patients deserves further investigation.</p>
</sec>
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Air pollution and case fatality of SARS in the People's Republic of China: an ecologic study

Air pollution and case fatality of SARS in the People's Republic of China: an ecologic study

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

Pour générer des pages wiki

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