Table 2.

Multivariate predictors of operative mortality by logistic regression applied to 504 patients

						95%C.I.
Variables	B	S.E.	Wald	Sig.	OR	Lower	Upper
Age (yr)	.092	.035	6.942	.008	1.096	1.024	1.173
Emergency	1.312	.674	3.788	.052	3.712	.991	13.908
Time on CPB (min)	.026	.007	13.421	.000	1.027	1.012	1.041
Constant	-12.977	2.788	21.673	.000	.000