TABLE 5.

Logistic Regression Analysis of the Influence of Factors Predicting All-Cause In-Hospital Mortality for Nontrauma Surgical ICU Patients

Variable	OR	95% CI	Wald Chi-Square Estimate	p
Sex, female	1.11	0.78–1.58	0.32	0.57
Age, per year	1.03	1.02–1.04	16.86	< 0.0001
Race
White, non-Hispanica	1.00	NA	NA	NA
Black	1.26	0.73–2.17	0.69	0.41
Other	1.99	0.83–4.77	2.39	0.12
Pre-ICU admission medical history
Any comorbidity	0.80	0.41–1.57	0.41	0.52
Chronic steroid use	1.49	0.86–2.60	2.02	0.15
Malignancy	1.61	1.08–2.38	5.52	0.019
McCabe score at ICU admission, per point	1.38	1.08–1.77	6.57	0.010
Acute Physiology and Chronic Health Evaluation II score, per point	1.09	1.06–1.12	38.69	< 0.0001
Marshall or Multiple Organ Dysfunction score, per point	1.00	0.96–1.03	0.07	0.79
Do-not-resuscitate status at time of ICU admission	10.52	3.13–35.33	14.50	0.0001
Home as prior abode	1.16	0.69–1.95	0.32	0.57

OR = odds ratio, R² = 0.129, c statistic = 0.737, NA = not applicable.

^aReferent group.