Table 2.
Baseline Characteristics (n = 401)
| Age, yrs | 67 ± 12.7 |
| Median | 69 |
| Male | 78 |
| NHYA functional class | |
| I | 0.3 |
| II | 84 |
| III | 16 |
| IV | 0 |
| CRT-P | 36 |
| CRT-D | 64 |
| Systolic blood pressure, mm Hg | 121 ± 21 |
| Diastolic blood pressure, mm Hg | 69 ± 11 |
| Atrial fibrillation | 12 |
| Creatinine, μmol/l | 112 ± 40 |
| Pharmacotherapy | |
| ACE inhibitor or angiotensin-receptor blocker | 49 |
| Beta-blocker | 69 |
| Diuretic agent | 56 |
| Mineralocorticoid receptor antagonist | 43 |
| Digoxin | 19 |
Values are mean ± SD or %.
ACE = angiotensin-converting enzyme; CRT-D = cardiac resynchronization therapy defibrillator; CRT-P = cardiac resynchronization therapy pacemaker.