Table 6 Correlation between fibromyalgia and headache indices of severity in the 174 patients presenting with fibromyalgia comorbidity
From: Clinical features of headache patients with fibromyalgia comorbidity
| Â | Frequency | MIDAS | Allodynia | TTS |
|---|---|---|---|---|
FIQ | ||||
 Pearson correlation | 0.289 | 0.215 | 0.349 | 0.065 |
 Sig. (two-tailed) | 0.001 | 0.014 | 0.000 | 0.467 |
Tender point survey | ||||
 Pearson correlation | 0.186 | 0.036 | 0.163 | 0.405 |
 Sig. (two-tailed) | 0.03 | 0.683 | 0.052 | 0.000 |