Fig. 1From: Exploring the effect of transcranial magnetic stimulation on quality of sleep in Parkinson’s diseasea Correlation between the follow-up Pittsburgh Sleep Quality index with baseline Beck Depression Inventory. b Correlation between the follow-up Pittsburgh sleep quality index with baseline Unified Parkinson disease Rating scale. c Correlation between the follow-up Pittsburgh sleep quality index with Hoehn and Yahr Staging ScaleBack to article page