TNFSF12 and migraine disorder: Conversely, C-C motif chemokine 19 levels (OR = 0.921, 95% CI 0.869–0.976, p = 0.006) and Tumor necrosis factor ligand superfamily member 12 levels(OR = 0.902, 95% CI 0.829–0.981, p = 0.016) were associated with a reduced risk of migraine.