. Author manuscript; available in PMC: 2013 Oct 23.

Published in final edited form as: J Clin Exp Neuropsychol. 2009 Oct 29;32(6):573–578. doi: 10.1080/13803390903313564

TABLE 1.

Mean results and comparison of UHDRS clinical scores at study entry and 16-month follow-up in diagnosed HD patients

UHDRS variables	Study entry	16 months	t	p
TFC ^a	9.6 (3.2)	8.0 (2.8)	4.19	.000^***
Motor score ^a	31.5 (15.9)	34.4 (14.9)	−1.23	.228
Behavioral assessment ^a	22.3 (16.4)	17.6 (19.8)	0.989	.333
Verbal fluency ^b	17.5 (10.8)	18.6 (12.4)	−0.933	.359
SDMT ^b	27.1 (10.9)	22.7 (11.2)	3.76	.001^***
Stroop Color ^b	48.7 (18.2)	44.0 (17.2)	2.501	.019^*
Stroop Word ^b	61.4 (20.6)	54.9(18.3)	2.874	.008^**
Stroop Interference ^b	26.8 (12.0)	26.0(13.3)	0.563	.578

Note. UHDRS = Unified Huntington's Disease Rating Scale; HD = Huntington disease; TFC = total functional capacity; SDMT = Symbol Digit Modalities Test. Standard deviations in parentheses.

Scores are the sum of clinician-rated items for each scale.

Scores are the total items correct within a given time limit on each scale.

^***

p < .001.

^**

p < .01.

p < .05.