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. Author manuscript; available in PMC: 2011 Jul 15.
Published in final edited form as: Mov Disord. 2010 Jul 15;25(9):1163–1169. doi: 10.1002/mds.22953

Table 3.

Stepwise regression analysis of neuropsychological variables on the UHDRS Functional Independence Scale (FIS).

Dependent Variable: FIS
Independent Variables b Standard Error β t p
Stroop Color Naming .39 .06 .52 6.1 <.001
DRS Initiation .44 .18 .22 2.4 .02
DRS Attention 1.43 .61 .20 2.4 .02

R = .84
R2 = .70
Adjusted R2 = .69

DRS = Dementia Rating Scale

UHDRS = Unified Huntington's Disease Rating Scale