Table 3.
Baseline characteristics.
| Number of patients | 92 |
| Age (years) | 48 ± 15 |
| Gender (male) | 51% |
| Ethnicity | |
| New Zealand European | 51 (55%) |
| Maori/Pacific Island | 16 (17%) |
| Other/unspecified | 25 (28%) |
| Primary presenting symptom | |
| None | 10 (11%) |
| Presyncope/syncope | 26 (29%) |
| Palpitations | 34 (37%) |
| Chest pain | 5 (5%) |
| Arrhythmias | 5 (5%) |
| Cardiac arrest | 3 (3%) |
| Other/unspecified | 9 (10%) |
| Family history | |
| None | 68 (74%) |
| ARVC | 9 (10%) |
| Sudden cardiac death | 4 (4%) |
| Cardiomyopathy | 2 (2%) |
| Other/unknown | 9 (10%) |
| Baseline electrocardiogram | |
| Normal sinus rhythm | 35 (38%) |
| Frequent VPCs | 28 (30%) |
| Wide complex tachycardia or VF | 18 (20%) |
| Atrial fibrillation/flutter | 7 (8%) |
| Other/unknown | 4 (4%) |
| Holter monitor findings | |
| Normal sinus rhythm | 12 (13%) |
| Frequent VPCs | 22 (24%) |
| Wide complex tachycardia or VF | 5 (5%) |
| Atrial fibrillation | 1 (1%) |
| Unknown | 52 (57%) |
Note: Values are means ± SD, or numbers of patients (percentages).