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ECG parameters of SCA mice
| Measurement (unit) | WT | Berk-SS | P value |
| P duration (ms) | 14.7 ± 0.5 | 15.3 ± 0.8 | 0.6 |
| PR interval (ms) | 33.2 ± 0.6 | 32.8 ± 0.8 | 0.71 |
| RR interval (ms) | 79 ± 2 | 83 ± 5 | 0.05 |
| Heart rate (bpm) | 763 ± 7 | 730 ± 12 | 0.05 |
| QRS duration (ms) | 12.2 ± 0.5 | 14.6 ± 0.6 | 0.01 |
| QTc (ms) | 81 ± 3 | 99 ± 3 | 0.0003 |
Berk-SS SCA mice (n = 10; 2 mo) compared with age- and gender-matched WT controls (n = 8). Data presented as mean ± SEM. Multiple t tests, Holm–Sidak correction. bpm, beats per minute.
