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| 35 LQTS families | unrelated LQTS (n = 138) | ||
|---|---|---|---|
| LQTS (n = 59) | Control (n = 61) | ||
| age | 23±18 | 25±18 | 19±16 |
| male/ female | 20/39 | 36/25 | 54/84 |
| QTc (ms) | 480±40 | 402±21 | 466±49 |
| syncope, n (%) | 24 (41) | 1 (1) | 59 (43) |
| VF or CA, n (%) | 9 (15) | 0 (0) | 18 (13) |
VF: ventricular fibrillation, CA: cardiac arrest
