Fig. 4From: Genetic heterogeneity on sleep disorders in Parkinson’s disease: a systematic review and meta-analysisForest plots displaying meta-analysis results on the risk (a) and severity (b) of RBD in PD patients with LRRK2 variants compared with iPD. PD Parkinson’s disease, iPD idiopathic Parkinson’s disease, LRRK2 Leucine-rich repeat kinase 2 gene, OR odds ratio, SMD standard mean differenceBack to article page