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. Author manuscript; available in PMC: 2021 Feb 10.
Published in final edited form as: Int J Cardiol. 2020 Oct 4;324:38–43. doi: 10.1016/j.ijcard.2020.09.065

Table 2.

Risk factors for higher rate of postoperative atrial fibrillation.

OR 95% CL p-value
Lower Upper
Age, y 1.037 1.030 1.044 <0.001
Hypercholesterolemia, mg/dL 1.197 1.044 1.372 0.010
LVEF, % 1.005 1.001 1.010 0.045
REDO 1.973 1.449 2.688 <0.001
Preoperative IABP 1.525 1.059 2.198 0.024
Stroke history 2.820 1.339 5.939 0.006
CPB duration, minutes 1.003 1.001 1.006 0.012
Cross-clamp duration, minutes 1.003 1.001 1.007 0.040
Cold cardioplegia 1.618 1.438 1.821 <0.001

CL, confidence limits; CPB, cardiopulmonary bypass; IABP, intra-aortic balloon pump; LVEF, left ventricular ejection fraction. OR, odds ratio; AUC 0.81; OR, 95CL and p-value are corrected in 1000 bootstrap samples.