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Table 3 Comparison of documentation for medication upon hospital discharge (BMIR) and medication over 2 quarters after discharge (AOK), with measurement of agreement

From: Comparing routine administrative data with registry data for assessing quality of hospital care in patients with myocardial infarction using deterministic record linkage

Comparison for matched patients AOK (n = 2305) BMIR (n = 2305) Kappa coefficient Classification according to categories
Statins 73.2 % 90.0 % 0.281 IV
ACE inhibitors and/or sartans 76.4 % 92.3 % 0.192 IV
Beta blockers 78.3 % 95.0 % 0.166 IV
Antithrombotics 81.0 % 98.5 % 0.042 IV