pallidal (GPi) deep brain stimulation (DBS) for patients with Parkinson's disease (PD).
Methods: We searched PubMed through November, 2014 for prospective controlled studies
comparing STN DBS and Gpi DBS for PD patients. Changes in UPDRS motor score,
activities of daily life, verbal fluency score and levodopa equivalent dose were pooled as
standardized mean difference between two groups in a meta-analysis model using RevMan …