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

Table 6

Electrocardiographic findings of the study population.

	New-onset atrial fibrillation (n = 150)	Nonatrial fibrillation (n = 490)	value
P wave duration (ms)	123.2 ± 12.8	119.3 ± 17.3	0.024
<120 ms (%)	62 (41.3)	229 (46.7)	0.245
120–140 ms (%)	72 (48.0)	215 (44.0)	0.374
>140 ms (%)	16 (10.7)	46 (9.3)	0.643
P wave voltage (mV)	0.12 ± 0.04	0.13 ± 0.04	<0.001
>0.20 mV (%)	4 (2.7)	23 (4.7)	0.280
0.10–0.20 mV (%)	102 (68.0)	304 (62.0)	0.185
<0.10 mV (%)	44 (29.3)	163 (33.3)	0.344
P wave duration/P wave voltage (ms/mV)	1284.7 ± 508.0	924.1 ± 462.0	<0.001

Data are expressed as mean ± SD and N (%) for continuous and categorical variables.