P Wave Duration/P Wave Voltage Ratio Plays a Promising Role in the Prediction of Atrial Fibrillation: A New Player in the Game

Table 7

Univariate and multivariate regression analyses of predictors of new-onset atrial fibrillation.

Variables	Univariate analysis		Multivariate analysis
	Odds ratio (95% CI)		Odds ratio (95% CI)
Age (years)	1.027 (1.002–1.054)	0.038	1.029 (0.976–1.086)	0.285
Gender	1.236 (0.846–1.806)	0.272
Smoking	1.884 (1.294–2.742)	0.001	4.008 (1.707–9.409)	0.001
CHA2DS2VASc	1.095 (0.961–1.247)	0.172
CRP (pg/mL)	1.869 (1.569–2.226)	<0.001	0.925 (0.412–2.075)	0.850
BNP (pg/mL)	1.013 (1.009–1.018)	<0.001	1.000 (0.981–1.019)	0.967
Ejection fraction	1.004 (0.987–1.020)	0.665
LA diameter (mm)	1.126 (1.024–1.237)	0.014	1.084 (0.869–1.352)	0.474
LA volume index (mL/m^2)	7.874 (4.850–12.784)	<0.001	7.108 (4.400–11.483)	<0.001
P wave duration (ms)	1.015 (1.003–1.026)	0.011	1.014 (0.989–1.040)	0.264
P wave voltage (mV)	0.949 (0.914–0.985)	0.006	1.157 (0.982–1.445)	0.121
P wave duration/P wave voltage (ms/mV)	1.001 (1.001–1.002)	<0.001	1.002 (1.000–1.003)	0.044
PAC	1.136 (0.987–1.307)	0.075

CHA₂DS₂VASc: congestive heart failure-hypertension-age≥75 years-diabetes mellitus-stroke-vascular disease-age 65–74 years-sex; BNP: brain natriuretic peptide; CRP: C-reactive protein; LA: left atrium; PAC: premature atrial contraction.