Table 2 Comparison of documentation of treatment and outcome of matched cases, with measurement of agreement
| Comparison for matched patients | AOK (n = 2305) | BMIR (n = 2305) | Kappa coefficient | Classification according to categories |
|---|---|---|---|---|
|
PCI (PCI for pts. coded as STEMI in AOK and BMIR) (PCI for pts. coded as NSTEMI in AOK and BMIR) |
82.1 % 94.7 % 71.9 % |
82.5 % 94.1 % 72.1 % |
0.903
0.885 0.925 | I |
| Hospital mortality | 9.2 % | 9.2 % | 0.979 | I |
|
Length of stay in hospital (median IQR) |
6 days (4/10) |
6 days (4/9) | 0.868 | I |