Table 3

Distribution of adverse events by severity

Adverse eventsSeverity categories
EFG*H*I*
General patients
n=324
174 (53.7)133 (41.0)12 (3.7)2 (0.6)3 (0.9)
Inpatient deaths
n=269
90 (33.4)76 (28.3)12 (4.5)5 (1.9)86 (32.0)
  • *Estimated differences per 1000 patient days using Poisson regression adjusted for demographic variables, p<0.001.

  • Severity categories according to the NCC MERP index.