Fig. 4

Evaluation Cohort: Serum levels of α-SYN-C is upregulated in patients with Parkinson’s disease.A) Healthy donors (n = 15), and Parkinson’s disease (n = 30). Statistical differences between the healthy donors and patients with Parkinson’s disease were calculated using a Mann-Whitney U-test, and shown as mean±95% CI. B) The diagnostic potential was calculated by the area under the Receiver Operating Curve (ROC).****p < 0.0001.