Table 1

Characteristics of patients who underwent bilateral STN DBS for dystonia, including dystonia rating scale change at the time of dual-task testing compared to preoperative scores

Percentage of improvement*
Participant numberAge at onset (year)GenderOnset of dystoniaDisease duration (year)Age at surgery (year)Education (year)Baseline MoCABFMDRS movementTWSTRS severity
152MNeck116313245131
258FMouth, neck, left hand106815277076
349FEyes65512308569
448MNeck166412253664
544FNeck44812285682
663MNeck36615268370
737FNeck7451328520
818MRight hand2745132408
Mean±SE46.5±510.5±356.8±313.3±026.5±148.3±1252.4±10
  • *Percentage of improvement from preoperative scores to time of study visit.

  • BFMDRS, Burke-Fahn-Marsden Dystonia Rating scale; DBS, deep brain stimulation; STN, Subthalamic nucleus; TWSTRS, Toronto-Western Spasmodic Torticollis scale.