Concordance between patient self-reports and claims data on clinical diagnoses, medication use, and health system utilization in Taiwan.

ABSTRACT:

Purpose

The aim of this study was to evaluate the concordance between claims records in the National Health Insurance Research Database and patient self-reports on clinical diagnoses, medication use, and health system utilization.

Methods

In this study, we used the data of 15,574 participants collected from the 2005 Taiwan National Health Interview Survey. We assessed positive agreement, negative agreement, and Cohen's kappa statistics to examine the concordance between claims records and patient self-reports.

Results

Kappa values were 0.43, 0.64, and 0.61 for clinical diagnoses, medication use, and health system utilization, respectively. Using a strict algorithm to identify the clinical diagnoses recorded in claims records could improve the negative agreement; howev

SUBMITTER: Wu CS 

PROVIDER: S-EPMC4251897 | biostudies-literature | 2014

REPOSITORIES: biostudies-literature