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Table 2 Multivariate logistic regression for postoperative ventricular arrhythmia

From: Effect of Del Nido cardioplegia on ventricular arrhythmias after cardiovascular surgery

Variable B S.E OR 95% CI for OR P value
Lower Upper
Age − 0.012 1.195 0.988 0.967 1.010 0.274
Gender 0.074 0.075 1.077 0.634 1.842 0.784
prolonged OP time 1.097 11.423 2.994 1.604 5.746  < 0.001**
prolonged CBP time 0.716 2.893 2.045 0.897 4.683 0.089
prolonged AB time − 0.886 5.470 0.412 0.194 0.861 0.019*
Hyperkalemia 0.472 1.912 1.603 0.812 3.107 0.167
AKI 1.593 35.306 4.921 2.920 8.375  < 0.001**
increased TnT − 0.016 0.002 0.984 0.516 1.874 0.960
increased TnI 0.081 0.094 1.084 0.646 1.821 0.759
increased CK − 0.217 0.552 0.805 0.451 1.424 0.458
increased CK-MB 0.177 0.285 1.193 0.623 2.291 0.594
increased NT-proBNP 0.608 4.594 1.837 1.059 3.234 0.032*
DNC − 0.736 6.499 0.479 0.268 0.834 0.011*
EF level − 0.694 9.871 0.499 0.324 0.772 0.002**
  1. Definitions: prolonged OP time = operation time > 3.75 h, prolonged CBP time = cardiopulmonary bypass time(CBP) > 100 min,prolonged AB time = aortic cross clamp time(AB) > 69 min,AKI = acute kidney injury, increased TnT/TnI/CK/CK-MB/NT-proBNP = TnT > 309.2 ng/mL, TnI > 0.47 ng/mL, CK > 565 U/L, CK-MB > 38 U/L, NT-proBNP > 714.63 pg/mL, LVEF < 30%, 30% ≤ LVEF < 50%, LVEF ≥ 50% were assigned to value 0, 1, 2