Table 6.
CE During Daily Living and Recreational Activities
| No CE | CE During ADL | CE During Recreational Sports | P Value | |
|---|---|---|---|---|
| Number | 163 | 6 | 4 | |
| Age at diagnosis, ya | 9 (3, 13) | 8 (5, 10) | 8 (7, 10) | 0.97 |
| Prior symptoms | 20% | 83% | 100% | <0.01 |
| QTc, msa | 466 (445, 494) | 533 (468, 577) | 503 (487, 512) | 0.03 |
| Genotype | 0.52 | |||
| KCNQ1 | 50% | 17% | 50% | |
| KCNH2 | 22% | 33% | ··· | |
| SCN5A | 4% | ··· | ··· | |
| Multiple | 4% | 17% | ··· | |
| Negative/unknown | 20% | 33% | 50% |
ADL indicates activities of daily living; CE, cardiac events; QTc, corrected QT interval.
a
Values listed represent median (interquartile range).