The exploratory linear regression with BDI as dependent variable and with additional independent variables (disease type and FSMC total score additionally to age, gender, EDSS, CRP elevation, albumin, CSF WBC, GE, and MS lesions) was significant (R = 0.696, R2 = 0.485, adjusted R2 = 0.307, F = 2.726, df1 = 10, df2 = 29, and p = 0.017). Here, CRP is linked to myeloid sarcoma.