Table 1.
Ca2+ transients and twitches in TR and NON ventricular myocytes
| TR | NON | P (t test) | |
|---|---|---|---|
| Diastolic [Ca2+] (nm) | 116 ± 8 (18) | 127 ± 11 (13) | 0.45 |
| Ca2+ transient amplitude (nm) | 168 ± 17 (20) | 241 ± 57 (9) | 0.127 |
| Ca2+ transient TTP (ms) | 441 ± 34 (20) | 663 ± 46 (9) | 0.001 |
| Ca2+ transient t50 (ms) | 329 ± 18 (20) | 455 ± 22 (9) | 0.0004 |
| Twitch amplitude (μm) | 4.6 ± 0.8 (20) | 3.2 ± 0.3 (8) | 0.317 |
| Twitch TTP (ms) | 472 ± 35 (20) | 658 ± 85 (9) | 0.022 |
| Twitch t50 (ms) | 404 ± 35 (20) | 639 ± 86 (9) | 0.005 |
Values of n given in parentheses.