Effect of GBA Mutations on Phenotype of Parkinson’s Disease: A Study on Chinese Population and a Meta-Analysis

Figure 4

(a) Forest plot of bradykinesia as an initial symptom in GBA + PD and GBA − PD. (b) Forest plot of tremor as an initial symptom in GBA + PD and GBA − PD. (c) Funnel plot of bradykinesia as an initial symptom in GBA + PD and GBA − PD. (d) Funnel plot of tremor as an initial symptom in GBA + PD and GBA − PD.

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