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Table 3 The correlations between various factors and postoperative improvement of motor function

From: Factors predicting the instant effect of motor function after subthalamic nucleus deep brain stimulation in Parkinson’s disease

Variables Univariate analysis Multivariate analysis
β P value β P value
Gender (male/female) 7.1 0.451 10 0.364
Age of onset, y −0.2 0.788 −0.3 0.719
Duration, y −0.7 0.429 −0.3 0.852
Age of surgery, y −0.5 0.397 −1 0.35
H&Y stage (Mild/Severe) −6.4 0.503 5.5 0.74
Levodopa responsiveness, % 0.2 0.328 0.9 0.055
Dyskinesia(No/Yes) −8.7 0.361 10.3 0.357
Motor fluctuations duration, y −1 0.427 −1.7 0.495
Disease subtype (PIGD/LPS) −17.2 0.057 −28.7 0.015*
Baseline UPDRSIII scores 0.3 0.331 0.3 0.421
  1. *p < 0.05; p value which was close to 0.05 means a significant tendency; multivariate analyses of all factors adjusted the respective covariates