Table 1

Baseline characteristics

Heart failureNon-heart failure
n66
Age (years)72.5±9.371.0±8.8
Male53
Height (cm)171.3±8.3166.8±10.2
Weight (kg)77.0±10.683.4±15.6
Ejection fraction (%)23.7±7.354.3±7.2
Heart rate (bpm)64±1555±3
Cardiac output (L/min)4.5±217.6±2.8
End-tidal CO2 (kPa)4.6±0.75.1±0.2
Mean ventilation (L/min)8.1±1.87.5±1.5
NYHA 2/3/42/3/1
Aetiology
 Ischaemic4
 Dilatative1
 Valvular1
 Alcoholic0
Treatment
 Biventricular pacemaker4
 ACE inhibitor/ARBs4
 Beta-blockers3
 Aldosterone antagonists4
 Diuretics2
  • ARBs, Angiotensin II Receptor Blockers; NYHA, New York Heart Association.