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

Ain-Shams Journal of Anesthesiology

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

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*

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
CI confidence interval, K potassium, Mg magnesium, LA left atrium, OR odds ratio
*Significant at P ≤ 0.05