Table 4. Independent predictors of prolonged P-wave dispersion with multivariate logistic regression analysis.

Variables	Multivariate analysis
	Odds ratio, 95% CI	p
Age	1.13 (1.00-1.32)	0.042
Gender	0.91 (0.76-1.12)	0.090
BMI	0.92 (0.76-1.23)	0.426
Smoking	0.96 (0.11-2.03)	0.964
Hyperlipidemia	0.97 (0.86-1.02)	0.131
Hypertension	1.05 (0.91-1.22)	0.473
Diabetes mellitus	6.66 (1.12-10.07)	0.064
LV ejection fraction	0.75 (0.38-1.45)	0.390
LV mass	0.75 (0.38-1.45)	0.390
LV mass index	1.15 (1.03-1.28)	0.010
LA diameter	1.16 (1.01-1.32)	0.031
RD circulation	0.86 (0.44-1.36)	0.774
LD circulation	0.93 (0.91-0.95)	< 0.001

BMI, body mass index; LA, left atrium; LD, left dominant; LV, left ventricular; RD, right dominant.