Table 4. Multivariable Logistic Regression for Predictors of In-Hospital Death Among Those Receiving Surgery^a.

	Odds ratio (95% CI)	P value
Time from initial hospital admission to surgery, h	0.96 (0.94-0.99)	.02
Age per 10 y	1.51 (1.22-1.87)	<.001
Presenting hypotension, shock, or tamponade	2.58 (1.53-4.35)	<.001
Prior cardiac surgery	2.80 (1.31-5.99)	.008
Preoperative malperfusion	3.09 (1.83-5.23)	<.001
Body mass index	1.05 (1.02-1.08)	.002

^a C statistic: 0.787; Hosmer-Lemeshow P = .39.