Table 2.
Baseline characteristics
| Patient characteristic | All patients (n = 111) |
|---|---|
| Male, n (%) | 71 (64%) |
| Age at baseline ECG (years) | 43 (30–56) |
| Systolic blood pressure (mmHg) | 120 ± 19 |
| Diastolic blood pressure (mmHg) | 76 ± 9 |
| Heart rate (bpm) | 65 (57–74) |
| Body mass index (kg/m2) | 24.3 ± 3.2 |
| Medication | |
| Amiodarone, n (%) | 17 (15%) |
| Beta-blocker, n (%) | 47 (42%) |
| Sotalol, n (%) | 13 (12%) |
| 12-lead surface ECG | |
| Epsilon waves in V1, V2, or V3 | 21 (19%) |
| Minor ECG depolarization criteria (2010 TFC) | 25 (23%) |
| Terminal activation duration (ms) | 52 (43–64) |
| Major ECG repolarization criteria (2010 TFC) | 37 (33%) |
| Minor ECG repolarization criteria (2010 TFC) | 21 (19%) |
| TWI in inferior leads | 38 (34%) |
| TWI in V4, V5, or V6 | 43 (39%) |
| Number of leads with TWI | 4.5 ± 2.5 |
| Number of precordial leads with TWI | 2.6 ± 1.9 |
| QRS duration (ms) | 111 (100–116) |
| Corrected QT duration (ms) | 444 (426–480) |
| Transthoracic echocardiography | |
| Patients with RV regional wall motion abnormalities | 85 (77%) |
| 1 RV region involved | 25 (23%) |
| ≥2 RV regions involved | 56 (50%) |
| Patients with LV involvement | 15 (14%) |
Abbreviations: ARVC/D Arrhythmogenic right ventricular cardiomyopathy/dysplasia, LV left ventricular, RV right ventricular, TFC 2010 Revised ARVC/D Task Force Criteria, TWI T wave inversions.
Values are means ± standard deviation, medians with interquartile ranges and numbers (percentages).