Fig. 1: Flowchart of the study and incidence rate of sialorrhea in the two groups of patients.
From: STN-DBS does not increase the risk of sialorrhea in patients with advanced Parkinson’s disease
a Flowchart of the study. b Incidence rate of sialorrhea in the groups of STN-DBS and medically managed patients. The incidence rate of sialorrhea was compared between the two groups using the χ2 test.
