Table 4.
Incidence of inherited primary arrhythmia syndromes according to major clinical events
| Variable | Group IIIa (n = 26) | Group IVb (n = 48) | p value |
|---|---|---|---|
| Brugada ECG | 4 (15.4) | 2 (4.2) | 0.068 |
| Type 1 Brugada ECG | 2 (7.7) | 1 (2.1) | 0.502 |
| Type 2 Brugada ECG | 2 (7.7) | 1 (2.1) | 0.016 |
| ARVD ECG | 0 | 3 (6.3) | 0.578 |
| Long QT syndrome | 2 (7.7) | 0 | 0.145 |
| Early repolarization | 17 (65.4) | 21 (43.8) | 0.033 |
| J point | |||
| Notching | 11 (42.3) | 11 (22.9) | 0.026 |
| Slurred | 6 (23.1) | 10 (20.8) | 0.798 |
| ST segment pattern | |||
| Upsloping/ascending | 6 (23.1) | 15 (31.3) | 0.603 |
| Horizontal | 11 (42.3) | 6 (12.5) | 0.001 |
| Location | |||
| Inferior leads | 13 (50.0) | 19 (39.6) | 0.114 |
| Lateral leads | 5 (19.2) | 6 (12.5) | 0.700 |
Values are presented as number (%).
ECG, electrocardiogram; ARVD, arrhythmogenic right ventricular dysplasia.
a
Group III indicates the patients with major clinical events.
b
Group IV, the patients without major clinical events.