Statistical analysis of differences in GON diameter, signal intensity, calculated SNR, and calculated CNR comparing the symptomatic (subject group) versus asymptomatic (control group) side using a paired t test in patients with unilateral occipital migrainesa
| MRN Characteristic | Subject Group | Control Group | P Value |
|---|---|---|---|
| Diameter | 1.77 ± 0.4 | 1.29 ± 0.25 | .001 |
| Signal | 269.06 ± 170.93 | 222.44 ± 170.46 | .043 |
| SNR | 15.79 ± 4.59 | 14.02 ± 5.23 | .009 |
| CNR | 2.57 ± 4.89 | −1.26 ± 5.02 | .004 |
↵a All values are mean ± SD.