Table 1.

Baseline and 6 Month Interval Outcome Scores

Scale	Domain	Month 6	Month 12	Month 18	Month 24	Final Outcome
YGTSS	Motor severity	−16	X	−19	−32	−29
	Phonic severity	−22	−20	−23	−44	−38
	Total severity	−19	−16	−21	−38	−33
	Impairment	−22	X	X	X	X
	Total	−20	X	−16	−33	−29.5*
HAM-D 17	Total	5.26	28.95	19.35	−70.83	−48.39
MRTRS	No. of body areas	−36.84	−21.05	X	−40	−31.58
	Motor tics/min	−38.46	X	−33.33	−63.64	−53.85
	Phonic tics/min	−33.33	−33.33	X	X	X
	Motor tic severity	−25	−25	−31.25	−50	−40
	Phonic tic severity	−57.89	−52.63	−73.33**	−60	−57.89*
	Total	−38.55*	−30.12	−42.19*	−53.73*	−46.99*
YMRS	Total	−7.14	0	−8.33	X	−25
YBOCS	Obsessions	−4.44	−4.44	18.18	X	−12.12
	Compulsions	−12.28	−15.79	14.29	3.33	4.76
	Total	−8.82	−10.78	16	−13.21	−2.67

Abbreviations: DBS, deep brain simulation; HAM-D, Hamilton Depression Rating Scale; MRTRS, Modified Rush Tic Rating Scale; SD, Standard Deviation; TS, Tourette syndrome, YBOCS, Yale-Brown Obsessive Compulsive Scale; YGTSS, Tale Global Tic Severity Scale; YMRS, Young Mania Rating Scale.

X: No value computed; data not normally distributed (Shapiro-Wilk test)

^*Outcomes significant at the .05 level are highlighted in bold.