Normal appearing brain tissue MD and FA histogram derived metrics from healthy volunteers and patients with migraine
| Healthy volunteers | Migraine patients | p* | |
|---|---|---|---|
| *Student’s t test for unpaired data. MD, mean diffusivity; FA, fractional anisotropy. | |||
| Average MD (SD) (×10−3 mm2/s) | 0.86 (0.01) | 0.88 (0.03) | NS |
| MD histogram peak height (SD) | 130.4 (19.7) | 117.2 (13.3) | 0.02 |
| Average FA | 0.22 (0.01) | 0.22 (0.01) | NS |
| FA histogram peak height | 44.7 (4.8) | 46.4 (5.8) | NS |