Fig. 1: Left axis, diamonds: The effects of surgery on the Total Fluctuation Score.
From: Deciphering the effects of STN DBS on neuropsychiatric fluctuations in Parkinson’s disease

Right axis, circles: The effect of medication and surgery on the Neuropsychiatric Fluctuation Scale global score. Data are presented as mean ± standard error of mean. *p < 0.001. NFS, Neuropsychiatric Fluctuations Scale.