Validation Studies in Epidemiologic Research: Caution When Estimating Sensitivity and Specificity in Internally Validated Claims Data

Validation Studies in Epidemiologic Research: Caution When Estimating Sensitivity and Specificity in Internally Validated Claims Data

Administrative claims databases are increasingly used in psychiatric epidemiology because they enable largescale, longitudinal analyses. In Taiwan, the National Health Insurance Research Database (NHIRD) covers over 99% of the population and is therefore a cornerstone data source for population-based research.