Oxygen Kinetics and Heart Rate Response during Early Recovery from Exercise in Patients with Heart Failure

Table 1

Clinical characteristics of 136 patients who achieved peak exercise level.

Age (yr)				51 ± 13
Range				24–70
Men/women				89/61
Etiology of heart failure
CAD				92 (67%)
Idiopathic dilated cardiomyopathy				53 (39%)
Valvular disease				5 (4%)
Left ventricular ejection fraction (%)				30 ± 12
NYHA functional class (FC)
II				48 (35%)
III				57 (42%)
IV				31 (23%)
Medication (%)
	ACE inhibitors	Beta-blockers	Diuretics
FC II	75	30	89
FC III	88	28	97
FC IV	86	17	98

Data are expressed as mean value ± SD or number of patients, unless otherwise indicated.