[Retracted] Development and Validation of a Postoperative Delirium Prediction Model for Elderly Orthopedic Patients in the Intensive Care Unit

Table 2

Univariate logistic regression analyses and the final multivariate logistic regression model in the development cohort.

Variables	Univariate			Coefficient	Multivariate
	OR		95% CI		OR		95% CI
Age	1.093	<0.001	1.055–1.133	0.085	1.089	<0.001	1.046–1.133
MMSE	0.839	<0.001	0.784–0.897	−0.186	0.83	<0.001	0.768–0.897
Regional anesthesia	0.482	0.005	0.290–0.800	−0.733	0.481	0.016	0.264–0.874
Hypoxia during surgery	2.09	0.032	1.065–4.101	0.845	2.327	0.045	1.020–5.310
Major hemorrhage	1.62	0.064	0.972–2.702	0.531	1.701	0.092	0.917–3.157
Level of IL-6 >9pg/ml	3.446	<0.001	2.056–5.774	1.313	3.719	<0.001	2.036–6.793
Company of families	0.59	0.062	0.339–1.026	−0.743	0.476	0.026	0.247–0.916

MMSE denotes mini-mental state examination, OR denotes odds’ ratio, and CI denotes confidence interval.