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Table 3 Backward, stepwise, multivariable binomial logistic regression analysis for predictors of postoperative atrial fibrillation

From: Predictors of postoperative atrial fibrillation after coronary artery bypass grafting: a prospective observational cohort study

Item Wald P OR 95% CI
Gender (female) 11.252 0.001* 8.3 2.4–28.7
LA diameter (cm) 25.533 0.000* 55.8 11.7–265.3
K 36 h (mmol/L) 5.833 0.016* 3.4 1.3–9.4
Constant 25.571 0.000*   
  1. Variables entered on first step: age (years), gender, smoking, LA diameter (cm), K 36 h (mmol/L), K 60 h (mmol/L), Mg 48 h (mg/dL), valve replacement, inotropic support postoperative, CHA2DS2-VASc score
  2. CI confidence interval, K potassium, Mg magnesium, LA left atrium, OR odds ratio
  3. *Significant at P ≤ 0.05
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