Validation of the National Health Insurance Research Database with ischemic stroke cases in Taiwan.

Abstract

OBJECTIVE The National Health Insurance Research Database (NHIRD) is commonly used for pharmacoepidemiological research in Taiwan. This study evaluated the validity of the database for patients with a principal diagnosis of ischemic stroke. STUDY DESIGN AND METHODS This cross-sectional study compares records in the NHIRD with those in one medical center… (More)
DOI: 10.1002/pds.2087

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