Table 1.
Clinical and baseline ECG characteristics of patients
| Characteristic | n=355 |
|---|---|
| Age±SD, y | 59.5±12.4 |
| Male sex, n(%) | 279(78.6) |
| Whites, n(%) | 238(67.0) |
| Ischemic cardiomyopathy, n(%) | 220(62.0) |
| Baseline LVEF ±SD, % | 22.96±9.19 |
| QRS, ms | 109.79±26.04 |
| Left ventricular diastolic diameter ± SD, cm | 5.87±0.93 |
| Body mass index ± SD | 28.67±6.00 |
| Beta blockers, n(%) | 336(94.6) |
| NYHA class I, n(%) | 78(22.0) |
| NYHA class II, n(%) | 110(31.0) |
| NYHA class III, n(%) | 167(47.0) |
| Inducible VT, n(%) | 92(25.9) |
| Heart rate±SD, bpm | 72.6±14.3 |