Table 6.

Regression analysis of risk factors for mortality

Risk Factor	Odds Ratio (95% CI)	P
Patient characteristics/Comorbidities age
Age	1.063(1.040–1.088)	<.001
History of percutaneous cardiac intervention	2.484(1.107–5.576)	.027
Nonindependent functional status	5.427(2.449–12.028)	<.001
Preoperative sepsis	6.255(3.055–12.806)	<.001
Preoperative wound infection	2.306(1.053–5.052)	.037

^*C statistic = 0.922.