Table 3.
Correlation analysis between functional connectivity of habenula-SN and clinical variables of MOH + CMa subjects
| Clinical variables | r | p value | 95 % CI of r |
|---|---|---|---|
| Headache history | 0.103 | 0.703 | -0.204–0.557 |
| Medication overuse duration | 0.512 | 0.043 | 0.116–0.790 |
| Attack frequency | 0.299 | 0.260 | -0.451–0.702 |
| VASb | 0.205 | 0.446 | -0.300–0.714 |
| PHQ-9c | 0.482 | 0.158 | -0.333–0.882 |
| GAD-7d | 0.206 | 0.568 | -0.488–0.659 |
a MOH + CM medication-overuse headache + chronic migraine; b VAS visual analog scale; c PHQ-9 Patient Health Questionnaire 9 Depression Scale; d GAD-7 Generalized Anxiety Disorder Assessment 7-item Scale