Table 1.
| ECG Measurements | rul/+ (4 wk) (Mean) | STDEV | rul/rul (4 wk)(Mean) | STDEV | p-values |
|---|---|---|---|---|---|
| RR Interval (ms) | 71.6831 | 0.9324 | 82.2624 | 5.6406 | 0.0007 |
| Heart Rate (BPM) | 837.1818 | 10.9558 | 736.7225 | 38.3181 | 0.0001 |
| PR Interval (ms) | 26.3670 | 1.4856 | 30.3536 | 6.6450 | 0.7150 |
| P Duration (ms) | 7.2606 | 1.7714 | 7.9050 | 0.6577 | 0.7150 |
| QRS Interval (ms) | 12.3255 | 0.5390 | 14.2029 | 1.9494 | 0.0243 |
| QT Interval (ms) | 23.1529 | 3.8077 | 26.3332 | 3.1023 | 0.0845 |
| QTc (ms) | 86.4747 | 14.4771 | 92.7726 | 12.5440 | 0.2328 |
| P Amplitude (mV) | 0.1244 | 0.0420 | 0.1372 | 0.0603 | 0.3438 |
| Q Amplitude (mV) | −0.0936 | 0.0396 | −0.0714 | 0.0320 | 0.1709 |
| R Amplitude (mV) | 0.5244 | 0.0521 | 0.5948 | 0.0322 | 0.0285 |
| S Amplitude (mV) | −0.3969 | 0.1571 | −0.3911 | 0.1207 | 0.4735 |
| T Amplitude (mV) | 0.1276 | 0.0206 | 0.1981 | 0.0350 | 0.0012 |
| RS Amplitude (mV) | 0.9194 | 0.0638 | 0.9858 | 0.6989 | 0.2502 |