TABLE 1 Baseline Characters
| Lead V1, V2 in 4th ICS (n = 92) | Lead V1, V2 only in 2nd or 3rd ICS (n = 71) | p‐value | |
|---|---|---|---|
| Age – yr | 46.8 ± 14.6 | 42.2 ± 14.7 | 0.048 |
| Male Sex – no. (%) | 80 (87.0%) | 64 (90.1%) | 0.53 |
| Body height – cm | 169.6 ± 1.5 | 168.4 ± 0.8 | 0.45 |
| Body weight – kg | 64.4 ± 1.4 | 65.2 ± 1.6 | 0.93 |
| Hypertension ‐ no. (%) | 25 (27.2%) | 3 (4.2%) | <0.001 |
| Diabetes mellitus ‐ no. (%) | 8 (8.7%) | 2 (2.8%) | 0.121 |
| Hyperlipidemia ‐ no. (%) | 21 (22.8%) | 8 (11.2%) | 0.056 |
| Coronary artery disease ‐ no. (%) | 16 (17.4%) | 7 (9.9%) | 0.171 |
| Family history of syncope, SCD or BrS ‐ no. (%) | 27 (29.3%) | 26 (36.6%) | 0.326 |
| Presentation | |||
| Asymptomatic ‐ no. (%) | 36 (39.1%) | 27 (38.0%) | 0.785 |
| Palpitation ‐ no. (%) | 11 (12.0%) | 11 (14.5%) | |
| Chest discomfort ‐ no. (%) | 19 (20.7%) | 19 (26.8%) | |
| Dyspnea ‐ no. (%) | 2 (2.8%) | 0 (0%) | |
| Syncope ‐ no. (%) | 13 (14.1%) | 8 (11.2%) | |
| Seizure ‐ no. (%) | 2 (2.8%) | 0 (0%) | |
| Sudden death, VT, VF ‐ no. (%) | 9 (9.8%) | 6 (8.5%) | |