Table 3.

PW Duration and Derived Indices in AF versus Control Patients with Hazard Ratios and 95% Confidence Intervals

				Univariate Analysis		Multivariate Analysis
	AF Group	Control		Hazard		Hazard
	(n = 44)	Group (n = 44)	P Value	Ratio (95% CI)	P Value	Ratio (95% CI)	P Value
P‐wave duration (ms)
I	104 ± 19	93 ± 17	0.01	1.03 (1.00–1.06)	0.01	1.03 (1.00–1.06)	0.02
II	113 ± 23	109 ± 17	0.35	1.01 (0.98–1.03)	0.35
III	101 ± 18	95 ± 17	0.17	1.02 (0.99–1.04)	0.17
aVR	115 ± 18	101 ± 14	<0.0001	1.05 (1.02–1.09)	0.001	1.05 (1.02–1.10)	0.001
aVR > 100 ms; n (%)	20 (53%)	32 (80%)	0.01	3.6 (1.32–9.81)	0.01	3.75 (1.35–10.39)	0.01
aVL	95 ± 25	81 ± 19	0.02	1.02 (1.00–1.05)	0.02	1.03 (1.00–1.06)	0.02
aVF	110 ± 22	101 ± 16	0.03	1.02 (1.00–1.05)	0.04	1.02 (0.99–1.05)	0.06
V1	102 ± 19	92 ± 23	0.02	1.02 (1.00–1.04)	0.03	1.03 (1.00–1.05)	0.01
V2	98 ± 21	86 ± 21	0.01	1.03 (1.00–1.05)	0.02	1.03 (1.00–1.05)	0.02
V3	103 ± 18	98 ± 19	0.17	1.02 (0.99–1.04)	0.17
V4	110 ± 20	100 ± 21	0.03	1.02 (1.00–1.04)	0.03	1.02 (1.00–1.04)	0.04
V5	108 ± 23	102 ± 18	0.18	1.01 (0.99–1.03)	0.18
V6	110 ± 22	101 ± 15	0.03	1.02 (1.00–1.05)	0.04	1.03 (1.00–1.05)	0.02
Derived indices
Min P wave duration. (ms)	79 ± 15	72 ± 19	0.09	1.02 (0.99–1.04)	0.10
Max  P wave duration. (ms)	129 ± 18	117 ± 14	0.001	1.04 (1.01–1.08)	0.003	1.05 (1.01–1.08)	0.002
P wave variance (ms)	299 ± 233	230 ± 192	0.13	1.00 (0.99–1.00)	0.14
P wave dispersion (ms)	50 ± 20	45 ± 20	0.22	1.01 (0.99–1.03)	0.22
P wave terminal force (ms)	3.6 ± 4.3	3.2 ± 3.1	0.61	1.03 (0.91–1.15)	0.61