Table 2.

Univariate analysis.

	Odds Ratio	95% confidence interval	p-value
Sex	0.794	0.754–0.836	<.0001*
Age	4.509	3.971–5.118	<.0001*
Elixhuser comorbidities	1.299	1.142–1.478	<.0001*
Hospital type	0.061	0.035–0.108	<.0001*
ICU care	2.132	2.022–2.248	<.0001*
Ventilator care	1.994	1.706–2.332	<.0001*
Congestive heart failure	1.15	1.095–1.208	<.0001*
Cardiac arrhythmias	1.148	1.09–1.21	<.0001*
Peripheral vascular disorders	1.055	1.008–1.104	0.0219*
Complicated hypertension	1.121	1.054–1.192	0.0003*
Neurodegenerative disorders	1.265	1.2–1.335	<.0001*
DM, uncomplicated	1.052	1.005–1.101	0.0313*
Renal failure	1.147	1.057–1.245	0.001*
Peptic ulcer disease, no bleeding	0.954	0.91–0.999	0.0518
Rheumatoid arthritis/collagen vascular disease	0.953	0.909–0.999	0.0478*
Weight loss	1.084	0.996–1.179	0.0607
Fluid and electrolyte disorders	1.072	1.019–1.128	0.0074*
Psychosis	2.437	1.642–3.618	<.0001*
Depression	1.33	1.27–1.392	<.0001*

ICU, intensive care unit; DM, diabetes mellitus.

^*p <  0.05 between-groups comparison.