1. Figure e-1. Further Meta-analysis of previously reported PD and mtDNA haplogroup associations and the data from this study.
Meta-analysis of published European mtDNA haplogroup and PD associations combined with the results of this study; discovery=Hudson et al – PD1 and replication= Hudson et al – PD2. Where: OR=odds ratio L95 = lower 95% confidence interval U95 = upper 95% confidence interval and P = statistical significance. Boxes are proportional to study size and fixed model meta-analysis is denoted by a diamond symbol.