Verifying a questionnaire diagnosis of asthma in children using health claims data

BMC Pulmonary Medicine

Table 2 Questionnaire^a Asthma Diagnosis versus Health Claims^b Diagnosis (n = 2782)

^a Positive response to questions "Has your child ever had asthma?" and "Was this diagnosed by a physician?"
^bAlgorithm of one asthma hospitalization and/or two asthma physician visit claims within two years
Kappa = 0.60 (95% CI 0.56, 0.64)
Sensitivity = 59.04% Specificity = 95.86% (Health Claims reference standard)

ISSN: 1471-2466