Table 4.

The final multivariable logistic regression models for the binary survival outcome (multidomain peritonitis prediction model)

Multidomain peritonitis prediction modela	OR	95% CI	p-value
Age	1.04	1.02, 1.06	< 0.001
Sex [male]	1.19	0.74, 1.95	0.47
SAPS-II Score	1.05	1.04, 1.07	< 0.001
MPI Score	1.06	1.03, 1.08	< 0.001
Days in ICU	1.00	0.98, 1.01	0.8
Wound healing disorders (WHD) [Yes]	0.29	0.15, 0.54	< 0.001
Skin closure [Yes]	0.02	0.01, 0.06	< 0.001

OR  odds ratio, CI confidence interval

^aN = 597, Brier-Score 0.12, AUROC 0.87 (0.85–0.90), Hosmer–Lemeshow Goodness of Fit Test 0.605