Table 1.

Patient baseline characteristics

CharacteristicsValue or score (range)Maximum possible
Median age, y31.5 (15–55)
Women/men5/13
Tourette syndrome14
Chronic motor tic disorder4
Current drug treatment
None10
Neuroleptic4
Clonidine2
Clonazepam1
Methylphenidate1
Median Tourette Syndrome Global Score9.3 (3–40.7)100
Median Shapiro Tourette Syndrome Severity Scale3 (0–5)6
Median Yale Global Tic Severity Scale, treated tic
Frequency subset5 (3–5)5
Intensity subset3 (2–5)5
Interference subset1 (0–4)5
Median Unified Tic Rating Scale
Suppression subset, treated tic25 (0–81)100
Suppression subset, all tics40 (0–90)100
Interference subset, all tics15 (0–50)100
Median premonitory sensation score, treated tic0.54
Median pain score, treated tic14
Median urge score, treated tic34