TABLE 2

Characteristics of Comparison Group: Patients With Mild Heart Failure Without LBBB

Patient no.	Sex	Age (y)	QRS width (ms)	NYHA class	LVEF (%)	LVEDD (mm)
1	M	55	100	3	28	66
2	F	55	120	2	47	62
3	M	64	120	2	38	74
4	F	56	80	1	52	60
5	M	23	80	2	48	53
6	M	53	100	2	48	74
7	M	29	100	2	49	62
8	M	49	100	2	38	96
9	M	17	80	1	60	60
10	F	40	120	2	48	66
11	M	65	120	2	50	72
12	M	49	120	2	52	82
13	M	57	80	2	50	63
Mean ± SD		47 ± 15	102 ± 17		47 ± 8	68 ± 11
P vs. LBBB group	NS	0.005	<0.0001	<0.0001	0.0008	0.005

LVEF = left ventricular ejection fraction; LVEDD = left ventricular end-diastolic diameter; NS = not significant.