Table 7.

Patient subgroups (heart failure, peripheral arterial obstructive disease, myocardial infarction, or ischemic cardiopathy).

		All other (n=206)	Heart failure (n=26)	Peripheral arterial obstructive disease (n=18)	Myocardial infarction or ischemic cardiopathy (n=31)
Sex, n (%)
	Male	124 (60.2)	18 (69.2)	10 (55.6)		20 (64.5)
	Female	82 (39.8)	8 (30.8)	8 (44.4)		11 (35.5)
Age (years), mean (SD)		66.2 (15.5)	75.3 (11.6)	74.3 (8.5)	71.9 (9.8)
Heart rate (bpm), mean (SD)		82.9 (19.9)	86.6 (23.0)	72.2 (10.9)	75.1 (18.8)
Valvular heart disease, n (%)		37 (18.0)	8 (30.8)	3 (16.7)	5 (16.1)
Diabetes, n (%)		42 (20.4)	7 (26.9)	5 (27.8)	6 (19.4)
QRS length (ms), mean (SD)		96.6 (29.4)	114.8 (35.3)	104.8 (26.4)	103.8 (26.5)
QRS >120 ms, n (%)		32 (15.5)	10 (38.5)	5 (27.8)	7 (22.6)