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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 3.

Risk factors for higher rate of stroke and mortality.

OR 95% CL p-value
 Target: Stroke Lower Upper
Age, y 1.082 1.082 1.056 <0.001
Renal dysfunction* 2.313 2.313 1.042 0.039
Preoperative IABP 2.957 2.957 1.325 0.008
CPB duration, minutes 1.013 1.008 1.019 <0.001
Cold cardioplegia 1.752 1.186 2.711 0.006
POAF 1.990 1.990 1.321 0.006
 Target: Mortality
Age, y 1.035 1.019 1.051 <0.001
Diabetes 1.565 1.153 2.126 0.004
Renal dysfunction* 3.205 1.939 5.296 <0.001
Preoperative IABP 5.576 3.486 8.920 <0.001
CPB duration, minutes 1.024 1.020 1.028 <0.001
Cold cardioplegia 1.473 1.089 1.991 0.002
POAF 1.577 1.169 2.128 0.012
 Target: Neurological Mortality
Age, y 1.042 1.015 1.071 0.002
Diabetes 1.670 1.000 2.789 0.049
LVEF 1.046 1.024 1.069 <0.001
Preoperative IABP 9.495 4.202 21.458 <0.001
CPB duration, minutes 1.026 1.021 1.030 <0.001
Cold cardioplegia 3.943 2.251 6.906 <0.001
POAF 2.403 1.496 3.859 0.004

CL, confidence limits; CPB, cardiopulmonary bypass; IABP, intra-aortic balloon pump; LVEF, left ventricular ejection fraction. OR, odds ratio; POAF, postoperative atrial fibrillation; AUC1 0.79; AUC2 0.81; AUC3 0.78; OR, 95CL and p-value are corrected in 1000 bootstrap samples.