. Author manuscript; available in PMC: 2015 Jul 29.

Published in final edited form as: J Am Coll Cardiol. 2014 Jul 29;64(4):372–381. doi: 10.1016/j.jacc.2014.04.052

Table 4.

Baseline and Procedure Characteristics Associated With Infection

Baseline Variable	HR (95% CI)	P Value
COPD (yes/no)	1.66 (1.21, 2.26)	0.002
Heart failure (yes/no)	1.47 (1.11, 1.95)	0.007
Corticosteroids (yes/no)	1.91 (1.19, 3.05)	0.007
Creatinine, mg/dL	1.15 (1.08, 1.22)	<.001
Hemoglobin, g/dL	0.90 (0.84, 0.97)	0.008
LVAD/Tx (yes/no)	2.89 (1.86, 4.50)	<.001
Open sternum (yes/no)	6.35 (2.62, 15.38)	<.001
Duration of surgery (hours)	1.31 (1.21, 1.41)	<.001

Abbreviations: CI, confidence interval; COPD, chronic obstructive pulmonary disease; HR, hazard ratio; LVAD/Tx, left ventricular assist device or transplant surgery.