There were no significant variations statistically within the counts of WBCs, neutrophils, lymphocytes, as well as monocytes, in the degrees of uric acid, Hb, cholesterol in total, triglycerides as well as LDL-C, or in the NLR for patients with early-stage as well as middle-advanced-stage PD. Here, GSTM1 is linked to Parkinson disease.