Table 6

 Characteristics of study population

AT, anaerobic threshold; GTN, glyceryl trinitrate; HDL, high-density lipoprotein; LDL, low-density lipoprotein; NYHA, New York Heart Association; pVO2, peak oxygen consumption; VCO2, carbon dioxide output; VE, ventilatory equivalent; VO2, maximum oxygen uptake.
*As recorded at the last cardiology outpatient appointment.
Cause of disease (% ischaemic/% non-ischaemic)85%/15%
NYHA class*, n (%)
    I8 (17.8)
    II22 (48.9)
    III13 (28.9)
    IV2 (4.4)
Drugs (% of patients prescribed drug)
    ACE inhibitors65.1
    Angiotensin II antagonists20
    Calcium channel blockers12.5
    Isosorbide mononitrate20
    GTN spray0
Blood test results (mean (SD))
    LDL cholesterol2.34 (1.2)
    Creatinine129.1 (40.1)
    Cholesterol4.3 (1.5)
    Cholesterol/HDL ratio3.4 1.0
    Sodium138.1 (3.5)
    Potassium4 (0.6)
Cardiopulmonary testing
    pVO214.8 (7.3)
    VE/VCO244 (16.2)
    VO2 at AT8.8 (3.6)