. Author manuscript; available in PMC: 2022 Apr 1.

Published in final edited form as: J Thorac Cardiovasc Surg. 2019 Nov 11;161(4):1227–1235.e1. doi: 10.1016/j.jtcvs.2019.10.124

Table 4.

Multivariable Logistic Regression Model for Operative Mortality

Effect	Odds Ratio (95% CI)	p-value
Age (per unit increase)	1.01 (0.98–1.04)	0.26
Organism (Staph. Aureus vs. Others)	0.67 (0.31–1.44)	0.31
Government Payer (Yes vs No)	1.11 (0.61–2.02)	0.72
Acute Infection (Active vs Treated)	1.13 (0.37–3.44)	0.82
WBC (per unit increase)	1.07 (1.03–1.12)	<0.01
Hematocrit (per unit increase)	1.00 (0.94–1.06)	0.95
MELD Score (per unit increase)	1.03 (0.98–1.07)	0.14
Emergent Surgery Yes vs No	3.09 (1.31–7.29)	<0.01
ECMO (Yes vs No)	16.68 (4.39–63.25)	<0.01
NYHA class > II (Yes vs No)	1.10 (0.54–2.22)	0.79
Tricuspid Valve Procedure
Replacement vs Repair	1.04 (0.47–2.27)	0.91
Valvectomy vs Repair	5.42 (2.33–12.57)	<0.01
Hospital volume (per unit increase)	0.94 (0.90–0.98)	<0.01

CI = Confidence Interval