H2N2V1, France, Analysis, bibRecord, 000272

Evaluation of Clinical Case Definitions of Influenza: Detailed Investigation of Patients During the 1995–1996 Epidemic in France

Identifieur interne : 000272 ( France/Analysis ); précédent : 000271; suivant : 000273

Evaluation of Clinical Case Definitions of Influenza: Detailed Investigation of Patients During the 1995–1996 Epidemic in France

Auteurs : Fabrice Carrat [France] ; Anne Tachet [France] ; Christine Rouzioux [France] ; Bruno Housset [France] ; Alain-Jacques Valleron [France]

Source :

Clinical Infectious Diseases [ 1058-4838 ] ; 1999.

RBID : ISTEX:2B5C809C59DEB712C594F26C6FA0F34A49787CF2

Abstract

Using clinical predictors, we evaluated clinical case definitions of influenza during the 1995–1996 outbreak in France. Thirty-five general practitioners collected virological specimens and clinical data. Predictors of influenza virus infection were selected with logistic regression models. The results varied with the influenza virus subtype: temperature of >38.27C, stiffness or myalgia, rhinorrhea, and cough were predictive of influenza A/H3N2, whereas fatigue, lacrimation or conjunctival injection, and the absence of stiffness or myalgia were predictive of influenza A/H1N1. On the basis of this analysis and data from the literature, 12 clinical case definitions were evaluated for their abilities to diagnose influenza virus infection. They were associated with positive predictive values of 27% to 40% and negative predictive values of 80% to 91%. We conclude that focused studies evaluating clinical case definitions of influenza with use of subsets of patients should accompany populationbased disease surveillance for optimal estimates of the disease burden associated with influenza epidemics.

Url:

https://api.istex.fr/ark:/67375/HXZ-3WWN8RWN-5/fulltext.pdf

DOI: 10.1086/515117

Affiliations:

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ISTEX:2B5C809C59DEB712C594F26C6FA0F34A49787CF2

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<front><div type="abstract">Using clinical predictors, we evaluated clinical case definitions of influenza during the 1995–1996 outbreak in France. Thirty-five general practitioners collected virological specimens and clinical data. Predictors of influenza virus infection were selected with logistic regression models. The results varied with the influenza virus subtype: temperature of >38.27C, stiffness or myalgia, rhinorrhea, and cough were predictive of influenza A/H3N2, whereas fatigue, lacrimation or conjunctival injection, and the absence of stiffness or myalgia were predictive of influenza A/H1N1. On the basis of this analysis and data from the literature, 12 clinical case definitions were evaluated for their abilities to diagnose influenza virus infection. They were associated with positive predictive values of 27% to 40% and negative predictive values of 80% to 91%. We conclude that focused studies evaluating clinical case definitions of influenza with use of subsets of patients should accompany populationbased disease surveillance for optimal estimates of the disease burden associated with influenza epidemics.</div>
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Evaluation of Clinical Case Definitions of Influenza: Detailed Investigation of Patients During the 1995–1996 Epidemic in France

Evaluation of Clinical Case Definitions of Influenza: Detailed Investigation of Patients During the 1995–1996 Epidemic in France

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Abstract

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