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Table 3 Percentage change of the individual TWSTRS subitems 12 months after DBS surgery

From: Long-term efficacy with deep brain stimulation of the globus pallidus internus in cervical dystonia: a retrospective monocentric study

TWSTRS subitems

Percentage change one year after DBS surgery (%)

p = 

Torticollis

− 56

0.021

Laterocollis

± 0

1.00

Ante-/retrocollis

− 16.5

0.051

Lateral shift

+ 100

0.594

Shoulder elevation

− 45.6

0.141

Crossing midline

− 60

0.05

  1. Significant results in bold at p < 0.05
  2. TWSTRS: Toronto Western Spasmodic Torticollis Rating Scale; DBS: deep brain stimulation