Table 4.

Multivariate logistic regression reflecting the combined effect of mitral valve operation and operative setting on adjusted operative mortality.

Covariate	Odds Ratio	95% Confidence Interval	P-value
Male (Reference)	1.00	-	-
Female	1.20	0.62-2.33	0.60
Age (years)	1.04	1.01-1.06	0.01
Ejection Fraction (%)	0.99	0.96-1.01	0.27
Cardiopulmonary Bypass Time (min)	1.02	1.01-1.02	<0.001
Aortic Cross Clamp Time (min)	0.98	0.97-0.99	<0.001
Elective MV repair (Reference)	1.00	-	-
Elective MVR	1.33	0.39-4.52	0.65
Urgent/Emergent MV Repair	4.28	1.16-15.76	0.03
Urgent/Emergent MVR	11.41	4.20-31.02	<0.001

Area Under Receiver Operative Curve=0.88.