TABLE 5.
Association Between Immediate and Average Within-Session Pain Sensitivity Changes and Clinical Outcome*
| Shoulder Pain Intensity | Shoulder Function | |||||||
|---|---|---|---|---|---|---|---|---|
| 4 wk | 8 wk | 12 wk | Linear† | 4 wk | 8 wk | 12 wk | Linear† | |
| Immediate effect | ||||||||
| PPT acromion | 0.07 | 0.01 | −0.12 | −0.08 | 0.05 | −0.03 | 0.17 | 0.19 |
| PPT TA | −0.01 | −0.15 | 0.01 | 0.11 | 0.07 | 0.12 | 0.13 | 0.08 |
| HPT | −0.10 | −0.11 | 0.05 | 0.08 | −0.03 | −0.03 | 0.07 | <0.01 |
| Average effect | ||||||||
| PPT acromion | 0.12 | −0.01 | 0.06 | 0.06 | 0.02 | −0.10 | 0.07 | 0.04 |
| PPT TA | 0.07 | −0.06 | 0.01 | 0.06 | 0.07 | 0.09 | 0.17 | 0.06 |
| HPT | −0.08 | −0.06 | −0.06 | −0.04 | <0.01 | 0.03 | 0.14 | 0.02 |
Abbreviations: HPT, heat pain threshold; PPT, pressure pain threshold; TA, tibialis anterior.
*
Values are partial correlation coefficients and account for baseline clinical outcome scores.
†
Linear association is the correlation between change in pain sensitivity and an estimate of the weekly change in clinical outcome across the 12-week period.