covariates p value Odd ratio(95% CI)
CABG alone .527 0.7(0.3-1.6)
AVR/AVR+CABG .150 1.9(0.8-4.4)
MVR/MVR+CABG .825 0.8(0.3-1.9)
MVR +/- TVR .112 2.3(0.8-4.4)
Major Aortic Surgery .011 3.4(1.3-8.4)