Table 1—

Clinical characteristics of the males with congestive heart failure who underwent analysis of heart rate variation

Clinical characteristics
Males n33
Ischaemic cardiomyopathy14 (42)
Diabetes6 (18)
Age yrs62.1±11.7
Height cm175.1±8.8
Weight kg88.8±21.2
BMI kg·m−228.8±5.1
Ejection fraction %37.8±12.3
VO2, max mL·kg−1·min−117.6±3.6
VE/VCO2 slope32.1±10.1
NYHA class2.1±0.4
Minnesota living with heart failure score25.0±22.8
Beta blockers24 (72)
ACE inhibitors/angiotensin II receptor antagonists33 (100)
Diuretics32 (96)
Digoxin4 (12)
  • Data are presented as n, mean±sd or n (%). BMI: body mass index; VO2, max: maximum oxygen uptake; VE: minute ventilation; VCO2: CO2 production; NYHA: New York Heart Association; ACE: angiotensin-converting enzyme.