Table 3.
Correlation between PSQ measures and QST measures (n = 394: EPT n = 132; PTT n = 266).
| EPT | EPT-NRS | PPT | PPT-NRS | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Rho | p | Rho | p | Rho | p | Rho | p | ||
| PSQ-minor | Crude | −0.120 | 0.171 | 0.217 | 0.012 | −0.074 | 0.235 | 0.349 | <0.001 |
| Adjusted for age and sex | −0.170 | 0.059 | 0.207 | 0.021 | −0.106 | 0.097 | 0.324 | <0.001 | |
| PSQ-moderate | Crude | −0.187 | 0.032 | 0.232 | 0.007 | −0.032 | 0.611 | 0.378 | <0.001 |
| Adjusted for age and sex | −0.239 | 0.007 | 0.216 | 0.016 | −0.044 | 0.490 | 0.363 | <0.001 | |
| PSQ-total | Crude | −0.165 | 0.059 | 0.243 | 0.005 | −0.052 | 0.397 | 0.395 | <0.001 |
| Adjusted for age and sex | −0.216 | 0.016 | 0.233 | 0.009 | −0.078 | 0.222 | 0.374 | <0.001 | |
EPT: electrical pain tolerance; NRS: numerical rating scale; PPT: pressure pain threshold; rho: Spearman's rho; p: p value; PSQ: Pain Sensitivity Questionnaire.