Table 1 Demographic data of the included patients.

From: Pretreatment brain volumes can affect the effectiveness of deep brain stimulation in Parkinson's disease patients

  N = 81
Age (years) 59.0 ± 8.9
Male:female 40:41
Disease duration (year) 9.95 ± 4.6
Preoperative UPDRS III scores
Medication OFF 50.1 ± 14.0
Medication ON 14.7 ± 9.8
  1. Values reported as mean ± standard deviation.