Table 5.
T*MAX (ms) and frequencies of hearts with different ranges of T MAX values
| Animal | Samples | Average ± SE | Intervals | |||
|---|---|---|---|---|---|---|
| 0–3 ms | 4–6 ms | 7–10 ms | >10 ms | |||
| WT (total) | 23 | 5.87 ± 0.65 a | 8 | 6 | 8 | 1 |
| WT young | 13 | 5.31 ± 0.73 b | 5 | 4 | 4 | 0 |
| WT old | 10 | 6.60 ± 1.17 c | 3 | 2 | 4 | 1 |
| WT male | 12 | 5.33 ± 1.03 d | 5 | 4 | 2 | 1 |
| WT female | 11 | 6.46 ± 0.79 | 3 | 2 | 6 | 0 |
| WT young male | 7 | 5.29 ± 0.99 | 2 | 3 | 2 | 0 |
| WT young female | 6 | 5.33 ± 1.17 | 3 | 1 | 2 | 0 |
| WT old male | 5 | 5.40 ± 2.21 e | 3 | 1 | 0 | 1 |
| WT old female | 5 | 7.80 ± 0.74 | 0 | 1 | 4 | 0 |
| Scn5a +/− (total) | 21 | 9.29 ± 0.86 a | 0 | 6 | 9 | 6 |
| Scn5a +/− young | 11 | 7.46 ± 0.62 b, f | 0 | 4 | 6 | 1 |
| Scn5a +/− old | 10 | 11.30 ± 1.44 c, f | 0 | 2 | 3 | 5 |
| Scn5a +/− male | 11 | 10.46 ± 1.48 d | 0 | 3 | 2 | 6 |
| Scn5a +/− female | 10 | 8.00 ± 0.62 | 0 | 3 | 7 | 0 |
| Scn5a +/− young male | 6 | 6.83 ± 1.01 g | 0 | 3 | 2 | 1 |
| Scn5a +/− young female | 5 | 8.20 ± 0.58 | 0 | 1 | 4 | 0 |
| Scn5a +/− old male | 5 | 14.80 ± 1.36 e, g, h | 0 | 0 | 0 | 5 |
| Scn5a +/− old female | 5 | 7.80 ± 1.16 h | 0 | 2 | 3 | 0 |
Means with similar lowercase letters differ significantly from each other at P < 0.05