Table S1.
Correlation between difference scores of clinical and experimental pain measures
| NRS | WOMAC | HPTh, arm | HPTh, knee | HPTo, arm | HPTo, knee | Punctate pain, hand | Punctate pain, patella | PPT, lateral. knee | PPT, medial knee | PPT, quadriceps | PPT, trapezius | CPM | Cold pain | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NRS | 1 | |||||||||||||
| WOMAC | 0.301 | 1 | ||||||||||||
| HPTh, arm | −0.343 | 0.258 | 1 | |||||||||||
| HPTh, knee | −0.438 | 0.063 | 0.301 | 1 | ||||||||||
| HPTo, arm | −0.419 | 0.15 | 0.585** | 0.35 | 1 | |||||||||
| HPTo, knee | −0.522* | 0.042 | 0.233 | 0.522* | 0.511* | 1 | ||||||||
| Punctuate pain, hand | 0.479* | 0.138 | −0.129 | −0.263 | −0.566** | −0.328 | 1 | |||||||
| Punctuate pain, patella | 0.188 | −0.305 | −0.366 | −0.184 | −0.635** | −0.450* | 0.726*** | 1 | ||||||
| PPT, lateral knee | −0.187 | 0.035 | 0.356 | −0.141 | 0.048 | −0.199 | −0.217 | −0.167 | 1 | |||||
| PPT, medial knee | −0.026 | −0.111 | 0.008 | −0.011 | −0.036 | −0.237 | −0.056 | 0.057 | 0.577** | 1 | ||||
| PPT, quadriceps | 0.044 | 0.050 | 0.229 | −0.188 | 0.202 | −0.075 | −0.173 | −0.295 | 0.654** | 0.702*** | 1 | |||
| PPT, trapezius | −0.052 | 0.130 | 0.362 | −0.087 | 0.200 | −0.028 | 0.075 | −0.146 | 0.630** | 0.717*** | 0.785*** | 1 | ||
| CPM | −0.192 | −0.102 | −0.186 | 0.162 | −0.035 | 0.380 | 0.053 | −0.007 | −0.364 | −0.086 | −0.059 | −0.137 | 1 | |
| Cold pain | 0.130 | −0.363 | −0.599** | −0.321 | −0.136 | −0.203 | 0.038 | 0.349 | −0.441 | −0.180 | −0.249 | −0.423 | 0.049 | 1 |
Notes:
*
P < 0.05,
**
P < 0.01,
***
P < 0.001.