In the univariate analysis presented in Table 2, we have identified several influencing factors of Parkinson’s disease (PD), including smoking, alcohol consumption, hypertension, diabetes, platelet count, lymphocyte count, neutrophil count, monocyte count, HDL, LDL, TG, TC, uric acid, CRP, homocysteine, fibrinogen, serum albumin, NLR, LMR, and AFR. This evidence concerns the gene CRP and diabetes mellitus.