Covariable Hazard Ratio 95% Confidence Interval Limits 95% Confidence Interval Limits p Value
ECMO
Not used Ref Ref Ref Ref
Intraoperative cannulation 0.90 0.33 2.51 0.85
Postoperative cannulation 0.46 0.11 2.00 0.30
Preoperative LVEF (increasing, per 1%) 0.99 0.97 1.01 0.19
Serum creatinine (increasing, per 1 mg/dL) 1.86 1.03 3.36 0.04
History of congestive heart failure 1.18 0.62 2.22 0.61
Cardiac symptoms at admission
No symptoms Ref Ref Ref Ref
Symptoms unlikely to be ischemia 1.08 0.32 3.65 0.90
Stable angina 1.87 0.47 7.39 0.37
Unstable angina 0.58 0.17 2.01 0.39
NSTEMI 1.55 0.61 3.95 0.36
STEMI 1.30 0.25 6.71 0.75
  Other 0.73 0.27 2.01 0.55
Dialysis dependency 0.07 0.01 0.75 0.03