TABLE 4.

Variables Independently Associated With 90-Day Readmission

Variables	OR	95% CI	P Value
Charlson comorbidity score > 4	2.48	2.25-2.74	< .001
Potentially antibiotic-resistant pathogen	1.75	1.56-1.97	< .001
Cirrhosis	1.32	1.15-1.50	.038
Chronic kidney disease	1.35	1.21-1.52	.008
Culture-negative pneumonia	0.75	0.66-0.84	.016

Hosmer-Lemeshow goodness-of-fit test, P = .838.