A cohort study showed that health insurance databases were accurate to distinguish chronic obstructive pulmonary disease from asthma and classify disease severity.
McKnight
Jason
J
Respiratory Epidemiology and Clinical Research Unit, Montreal Chest Institute, McGill University, 3650 St-Urbain Street, Montreal, Quebec, H2X 2P4, Canada.
Scott
Adrienne
A
Menzies
Dick
D
Bourbeau
Jean
J
Blais
Lucie
L
Lemière
Catherine
C
D001249:Asthma / Q000175:diagnosis*; D015331:Cohort Studies; D016208:Databases, Factual; D006801:Humans; D016247:Information Storage and Retrieval; D007348:Insurance, Health; D029424:Pulmonary Disease, Chronic Obstructive / Q000175:diagnosis*; D012680:Sensitivity and Specificity