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The Average Change (Δ) of Tpe Interval, and the Average Standard Deviation of QT End and Apex
| Controls (n = 15) | LQTS Carriers (n = 30) | LQT1 Carriers (n = 10) | LQT2 Carriers (n = 10) | LQT3 Carriers (n = 10) | |
|---|---|---|---|---|---|
| Δ Tpe (ms) | 18 | 32* | 23 | 44** | 29 |
| Δ SD of QT end (ms) | 12 | 17 | 22 | 20 | 10 |
| Δ SD of QT apex (ms) | 7 | 23** | 23* | 30** | 15 |
*P < 0.05, **P < 0.01; compared to controls.
