. Author manuscript; available in PMC: 2015 Jun 1.

Published in final edited form as: Am J Infect Control. 2014 Apr 13;42(6):626–631. doi: 10.1016/j.ajic.2014.01.027

Table 6. Predictors of Mortality after Healthcare-associated Infection (HAI) Diagnosis with Censoring at 7-, 15-, and 30-days.

Predictors of Mortality	Multivariable Cox Proportional Hazards Analysis
Predictors of Mortality	Hazard Ratio (95% CI)	p-value
Death within 7 days
Case status^a	0.94 (0.42, 1.95)	0.87
Age (per one year increase)^a	1.01 (0.99, 1.04)	0.22
Liver disease	5.52 (1.79, 16.99)	0.003
Immunocompromised state	3.41 (1.67, 6.96)	0.001
Bloodstream infection^b	2.55 (1.32, 4.86)	0.005
Death within 15 days
Case status^a	1.39 (0.84, 2.31)	0.20
Age (per one-year increase)^a	1.02 (1.00, 1.04)	0.014
Liver disease	3.24 (1.30, 8.07)	0.012
Immunocompromised state	2.66 (1.57, 4.50)	<.001
Death within 30 days
Case status^a	1.39 (0.90, 2.15)	0.14
Age (per one-year increase)^a	1.02 (1.01, 1.03)	0.002
Liver disease	3.34 (1.56, 7.12)	0.001
Immunocompromised state	2.03 (1.33, 3.11)	0.001
Medical intensive care unit^c	1.85 (1.22, 2.86)	0.005

Case status and age were included a priori in the model

Compared to urinary tract infection

Compared to surgical intensive care unit