Demographics and Clinical Characteristics
| Characteristic | Group A (n = 15) | Group B (n = 15) | P value |
|---|---|---|---|
| Age (y) | 56 ± 10 | 55 ± 10 | NS |
| Sex (M/F) | 10/5 | 11/4 | NS |
| NYHA functional class II/III | 2/13 | 2/13 | NS |
| Echocardiography | |||
| LVEDV (mL) | 197 ± 44 | 199 ± 39 | NS |
| LVEF (%) | 32 ± 8 | 33 ± 7 | NS |
| Plasma BNP (pg/mL) | 234 ± 179 | 226 ± 149 | NS |
| TDS by 99mTc-TF | 10 ± 5 | 11 ± 6 | |
| Medical treatment | NS | ||
| ACE inhibitor | 15 | 15 | |
| Loop diuretic | 15 | 15 | |
| Spironolactone | 2 | 2 | |
| Nitrate | 4 | 5 | |
| Digitalis | 2 | 2 |
NS = not significant; TF = tetrofosmin.
Data are presented as mean ± SD.