Table 5.
Generalized Linear Models of the association between the disability due to pain and central sensitization scores with the ΔHbO peak latency evoked by thermal stimuli on both PFC (n = 22).
| B | Std. error | CI 95% | Wald χ2 | Df | P | |
|---|---|---|---|---|---|---|
| Portuguese Profile of Chronic Pain Screen (BP-PCP:S) total score | ||||||
| (Intercept) | 68.693 | 2.908 | (62.99 to 74.39) | 557.871 | 1 | 0.000 |
| Δ-HbO* based on the HbO level before thermal stimuli onset and 15 s after on the left PFC | 48.86 | 15.01 | (19.44 to 78.29) | 10.598 | 1 | 0.001 |
| Δ-HbO* based on the HbO level before thermal stimuli onset and 15 s after on the right PFC | − 21.84 | 10.56 | (− 42.56 to − 1.14) | 4.276 | 1 | 0.039 |
| Central Sensitization Inventory (BP-SCI) total score | ||||||
| (Intercept) | 71.53 | 1.830 | (67.95 to 75.13) | 1526.683 | 1 | 0.000 |
| Δ-HbO* based on the HbO level before thermal stimuli onset and 15 s after on the left PFC | 31.99 | 9.197 | (13.96 to 50.02) | 12.09 | 1 | 0.00 |
| Δ-HbO* based on the HbO level before thermal stimuli onset and 15 s after on the right PFC | − 15.04 | 6.441 | (− 27.67 to − 2.41) | 5.451 | 1 | 0.02 |
Prefrontal cortex (PFC); ΔHbO* in millimolar (mM).