Fig. 3From: Efficacy of pramipexole on quality of life in patients with Parkinson’s disease: a systematic review and meta-analysisEffect of pramipexole versus placebo on PDQ-39 total score by predefined subgroups (treatment dose, baseline disease stage, baseline QoL level, treatment duration). A Effect of pramipexole versus placebo on PDQ-39 total score by treatment dose. B Effect of pramipexole versus placebo on PDQ-39 total score by baseline disease stage. C Effect of pramipexole versus placebo on PDQ-39 total score by QoL level at baseline. D Effect of pramipexole versus placebo on PDQ-39 total score by treatment durationBack to article page