IFNG and Parkinson disease: IFNγ responses were significantly more prevalent than IL-5 for both HC and PD (p=0.003 and 0.03 respectively, one-way ANOVA with Dunnett’s test), and only in HC were significantly higher than IL-10 (p=0.04 HC, p=0.43 PD; one-way ANOVA with Dunnett’s test).