Table 3.
ROC analysis to screening fibromyalgia cortical activation than controls according to the right and left PFC activation time based on the on ΔHbO* value (n = 42).
| AUC 95% CI | CI 95% | Cutoffs | Sensitivity | 1 − Specificity |
|---|---|---|---|---|
| Cortical deactivation based on delta value of absolute HbO concentration (ΔHbO*) [HbO concentration before thermal stimuli onset minus HbO concentration level 15 s after thermal stimuli end]on the left PFC (mM) | ||||
| 0.63 | (0.45–0.80) | − 2.0800 | 1.000 | 1.000 |
| − 0.7650 | 0.950 | 1.000 | ||
| − 0.4250 | 0.900 | 1.000 | ||
| − 0.3950 | 0.900 | 0.938 | ||
| − 0.3750 | 0.900 | 0.875 | ||
| − 0.2800 | 0.850 | 0.875 | ||
| − 0.1950 | 0.800 | 0.875 | ||
| − 0.1750 | 0.800 | 0.813 | ||
| Cortical deactivation based on delta value of absolute HbO concentration (ΔHbO*) [HbO concentration before thermal stimuli onset minus HbO concentration level 15 s after thermal stimuli end]on the right PFC (mM) | ||||
| 0.60 | (0.42–0.79) | − 1.6000 | 1.000 | 1.000 |
| − 0.5600 | 0.950 | 1.000 | ||
| − 0.4750 | 0.950 | 0.938 | ||
| − 0.3350 | 0.900 | 0.938 | ||
| − 0.2350 | 0.900 | 0.875 | ||
| − 0.2050 | 0.850 | 0.813 | ||
AUC area under the curve, CI confidence interval, ROC receiver operator characteristics.