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. Author manuscript; available in PMC: 2016 Mar 1.
Published in final edited form as: Neuropsychology. 2014 Jul 7;29(2):255–267. doi: 10.1037/neu0000102

Table 4.

Baseline and Longitudinal Prodromal HD Group Differences Relative to Controls for Participant and Companion ECog

Baseline Group Difference
Variable Low Medium High

Estimate (SE) t-
value
Estimate (SE) t-value Estimate (SE) t-value
P Total 0.015 (0.039) 0.37 0.086 (0.034) 2.48c 0.15 (0.032) 4.66a
P Memory 0.016 (0.052) 0.31 0.11 (0.046) 2.47c 0.15 (0.042) 3.59a
P Language 0.07 (0.042) 1.68 0.16 (0.037) 4.27a 0.23 (0.034) 6.62a
P Vsp. perception 0.016 (0.036) 0.44 0.029 (0.032) 0.91 0.097 (0.029) 3.34a
P Exe. function −0.014 (0.044) −0.31 0.087 (0.039) 2.24c 0.15 (0.036) 4.19a
C Total −0.022 (0.035) −0.62 0.062 (0.031) 2.02c 0.17 (0.029) 5.86a
C Memory −0.038 (0.047) −0.82 0.089 (0.041) 2.15c 0.17 (0.039) 4.47a
C Language 0.015 (0.033) 0.46 0.10 (0.029) 3.53a 0.20 (0.027) 7.35a
C Vsp. perception −0.025 (0.032) −0.80 0.0042 (0.028) 0.15 0.11 (0.026) 4.23a
C Exe. function −0.025 (0.046) −0.53 0.069 (0.041) 1.67 0.21 (0.038) 5.57a

Longitudinal Group Difference

Stub head Low Medium High

Estimate (SE) t
value
Estimate (SE) t-value Estimate (SE) t-value

P Total 0.012 (0.015) 0.82 0.036 (0.013) 2.71b 0.028 (0.012) 2.30c
P Vsp. Perception 0.011 (0.015) 0.76 0.033 (0.013) 2.55c 0.026 (0.012) 2.27c
C Total 0.026 (0.021) 1.23 0.047 (0.019) 2.39c 0.052 (0.018) 2.94b
C Memory 0.032 (0.027) 1.20 0.054 (0.024) 2.24c 0.052 (0.022) 2.39c
C Exe. Function 0.032 (0.029) 1.11 0.062 (0.026) 2.38c 0.069 (0.024) 2.91b

Note. P = participant C = companion Vsp. = visuospatial Exe. = executive.

a

p<0.001,

b

p<0.01,

c

p<0.05,

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