Table 3.

Multivariable logistic regression model of study variables vs. POD in the training dataset.

Variables	Odds ratio (95%CI)	P-value
Age, years	1.079 (1.032–1.131)	0.001
Renal insufficiency, yes vs. no	4.845 (1.199–16.417)	0.016
COPD	4.518 (1.708–11.089)	0.001
Antipsychotics, yes vs. no	6.702 (2.158–19.972)	0.001
LDH (U/L)	1.009 (1.002–1.015)	0.005
CRP (%)	1.114 (1.022–1.211)	0.012

COPD chronic obstructive pulmonary disease, LDH lactate dehydrogenase, CRP C-reactive protein.