Table 5

Mixed-effect logistic regression models

Variable*Model 1: any AEModel 2: preventable AE
OR95% CIOR95% CI
Hospital B0.420.28 to 0.630.360.23 to 0.56
Hospital C0.590.41 to 0.860.730.49 to 1.07
Hospital D0.180.12 to 0.290.240.15 to 0.38
Hospital E0.490.30 to 0.790.590.36 to 0.98
Age1.011.00 to 1.011.011.00 to 1.01
Elixhauser score1.000.98 to 1.031.010.99 to 1.03
Female/male0.910.69 to 1.200.990.74 to 1.33
  • *Observer was a random variable.

  • AE, adverse event.