CRP and migraine disorder: When age, body mass index (BMI), white blood cell (WBC), urea, glomerular filtration rate (GFR), erythrocyte sedimentation rate (ESR), C-reactive protein (CRP), serial hemoglobin (HBG) values were analyzed together, WBC and HBG values were found to be lower (respectively p = 0.025, p = 0.027) and estrogen (ESR) values were found to be higher (p = 0.007) and statistically significant in the migraine group compared to the controls (Table 2).