Table 1.
Comparison of ECG parameters in the acute and recovery phases
| Parameters | Acute phase | Recovery phase | p |
|---|---|---|---|
| RRm (ms) | 525.3 ± 97.6 | 530.8 ± 53.8 | 0.770 |
| RRv (ms) | 940.3 ± 471.2 | 721.6 ± 502.1 | 0.473 |
| HRm (ms) | 118.4 ± 22.1 | 114.4 ± 11.4 | 0.355 |
| HRv (ms) | 31.2 ± 40.2 | 32.9 ± 26.7 | 0.803 |
| QTm (ms) | 301.2 ± 39.3 | 304.8 ± 23.9 | 0.593 |
| QTv (ms) | 39.5 ± 46.3a | 13.0 ± 7.8 | <0.05 |
| QTcB (ms) | 416.6 ± 26.6 | 419.2 ± 23.7 | 0.598 |
| QTcF (ms) | 375.3 ± 29.9 | 376.8 ± 22.6 | 0.763 |
| QTVI | –0.60 ± 0.54a | −1.22 ± 0.31 | <0.05 |
QTcB = Corrected QT Interval by Bazett formula; QTcF = Corrected QT Interval by Fridericia formula
aValue expressed as the mean ± SD (p < 0.05)