Table I.
Cumulative Patient Characteristics
| Characteristics | Case Group: VT Patients | Control Group: Non-VT Patients |
|---|---|---|
| N | 17 | 15 |
| Age (years) | 70 ± 10 | 68 ± 15 |
| Male | 16 (94%) | 13 (87%) |
| Left ventricular ejection fraction (%) | 24 ± 6 | 25 ± 5 |
| QRS duration (ms) | 135 ± 22 | 142 ± 25 |
| Mean time since myocardial infarction (months) | 90 ± 31 | 96 ± 21 |
| Infarct location | ||
| Anterior | 6 (35%) | 3 (20%) |
| Inferior | 9 (53%) | 11 (73%) |
| Apical | 10 (59%) | 8 (53%) |
| β-Blocker | 17 (100%) | 15 (100%) |
| ACE/ARB | 17 (100%) | 15 (100%) |
| Amiodaronea | 14 | 0 |
| Other antiarrhythmic drugsa | 6 | 0 |
Data are presented as mean ± standard deviation or number (percentage).
a
P < 0.05.
ACE = angiotensin-converting enzyme inhibitors; ARB = angiotensin receptor blockers; VT = ventricular tachycardia.