Table 1.
Descriptive statistics and nonparametric testing results
| Measure | Day 1 |
Day 5 |
Day 10 |
Day 1 vs Day 10 |
|||||
|---|---|---|---|---|---|---|---|---|---|
| M | SD | M | SD | M | SD | Effect Size | Z Score | P Value | |
| HPTH–arm | 37.9 | 3.3 | 38.3 | 3.5 | 37.3 | 2.0 | −0.10 | −0.64 | 0.540 |
| HPTH–knee | 39.1 | 3.5 | 40.3 | 3.5 | 40.1 | 3.4 | 0.29 | 1.83 | 0.068 |
| HPTO–arm | 43.2 | 3.1 | 43.9 | 2.9 | 43.2 | 3.2 | 0.08 | 0.52 | 0.622 |
| HPTO–knee | 43.1 | 3.3 | 45.0 | 2.9 | 44.6 | 3.1 | 0.35 | 2.24 | 0.023 |
| PPT–medial knee | 3.2 | 1.4 | 3.8 | 1.6 | 3.7 | 1.2 | 0.34 | 2.13 | 0.033 |
| PPT–lateral knee | 3.5 | 1.5 | 4.0 | 1.4 | 4.4 | 1.3 | 0.40 | 2.54 | 0.009 |
| PPT–trapezius | 2.9 | 1.6 | 3.9 | 1.5 | 3.9 | 1.3 | 0.54 | 3.40 | <0.001 |
| PMP–patella | 84.7 | 23.4 | 72.0 | 28.1 | 67.4 | 26.9 | −0.33 | −2.06 | 0.039 |
| PMP–hand | 66.0 | 27.0 | 57.7 | 29.9 | 54.6 | 23.9 | −0.42 | −2.62 | 0.007 |
| CPM | 0.9 | 0.7 | 1.1 | 0.8 | 1.3 | 0.6 | 0.40 | 2.50 | 0.011 |
| PIR | 92.3 | 10.3 | 84.0 | 19.8 | 79.0 | 25.2 | −0.24 | −1.51 | 0.138 |
Bold font indicates statistical significance at P < 0.05.
CPM = conditioned pain modulation; HPTH = heat pain threshold; HPTO = heat pain tolerance; PIR = cold pain intensity rating; PMP = punctate mechanical pain; PPT = punctate pain threshold.