Table 4.

Binary logistic regression analysis to identify predictors of postoperative atrial fibrillation

Variables	Univariate analysis			Multivariate analysis
	p	exp(B) OR	95% CI	p	exp(B) OR	95% CI
Age	0.036	1.026	1.002–1.150	0.116	1.020	0.995–1.045
Hypertension	0.200	0.727	0.447–1.184
COPD	0.116	0.789	0.542–1.004
Body mass index	0.369	0.879	0.715–1.048
Diabetes mellitus	0.764	0.648	0.624–0.984
Ejection fraction	0.316	0.576	0.176–1.117
SYNTAX score I	0.016	1.102	1.040–1.168	0.032	1.022	1.004–1.128
C-reactive protein	0.342	0.576	0.152–1.622
HATCH score >2	0.001	1.010	0.629–1.265	0.002	1.098	1.035–1.164

COPD, chronic obstructive pulmonary disease. Significant values are italicized.