Hazard Ratio 95% Hazard Ratio Confidence Limits 95% Hazard Ratio Confidence Limits
P-Value
Age, increasing 1.028 1.015 1.041 <.001
Body mass index, increasing, per kg/m2 0.980 0.956 1.004 0.106
Dialysis dependency 6.296 3.770 10.514 <.001
Peripheral vascular disease 1.749 1.231 2.486 0.002
ECMO utilization
No ECMO Reference Reference Reference Reference
Preoperative usage 0.961 0.346 2.665 0.939
Intraoperative usage 7.426 3.521 15.662 <.001
Postoperative usage 13.674 5.984 31.249 <.001
Impella utilization
No Impella Reference Reference Reference Reference
Preoperative usage 12.108 2.325 63.053 0.003
Postoperative usage 0.581 0.070 4.807 0.614
Operation performed
Isolated CABG Reference Reference Reference Reference
Isolated valve 0.469 0.214 1.028 0.059
Double valve 1.050 0.424 2.597 0.916
CABG + valve 1.015 0.618 1.667 0.953
Triple valve 1.369 0.680 2.754 0.379
Aortic root repair/replacement 0.408 0.201 0.828 0.013