Table 1 Characteristics of patients
Variables | NYHA class I | NYHA class II | NYHA class III | NYHA class IV |
|---|---|---|---|---|
| Â | N = 16 | N = 25 | N = 30 | N = 30 |
Age, y | 66.3 ± 8.1 | 66.9 ± 8.1 | 68.5 ± 7.6 | 68.7 ± 10.6 |
BMI, kg/m2 | 28.8 ± 4.5 | 29.0 ± 3.5 | 27.3 ± 4.4 | 29.3 ± 6.2 |
WBC, 103/mm3 | 7.1 ± 1.9 | 8.2 ± 1.8 | 8.1 ± 2.2 | 10.6 ± 4.1 |
LVEF, % | 51.1 ± 14.8 | 37.0 ± 12.6 | 31.1 ± 9.8 | 33.8 ± 13.6 |
LVDd, mm | 58.1 ± 9.8 | 64.0 ± 13.0 | 62.6 ± 10.2 | 59.6 ± 6.8 |
VO2 peak, ml × kg-1 × min-1 | 22.3 ± 10.4 | 19.0 ± 4.3 | 17.9 ± 4.8 | 12.0 ± 2.1 |
BNP, pmol/l | 32.4 ± 33.2 | 85.7 ± 83.5 | 222 ± 204 | 474 ± 461 |
Underlying heart disease, n | Â | Â | Â | Â |
   -DCM | 3 (19%) | 9 (36%) | 2 (7%) | 3 (10%) |
   -Hypertension | 6 (38%) | 4 (16%) | 8 (27%) | 0 (0%) |
   -CAD | 5 (31%) | 10 (40%) | 16 (53%) | 20 (67%) |
   -Myocarditis | 1 (6%) | 0 (0%) | 0 (0%) | 0 (0%) |
   -others | 1 (6%) | 2 (8%) | 4 (13%) | 7 (23%) |
Diabetes mellitus, n | 5 (31%) | 12 (48%) | 13 (43%) | 11 (37%) |
Smoking, n | 4 (25%) | 4 (16%) | 1 (3%) | 3 (10%) |
Statin, n | 7 (44%) | 10 (40%) | 16 (53%) | 18 (60%) |