Variable | n | Adj R^{2} | p Value | Non-linear df | Non-linear p value |
Striatal volume | 261 | 0.20 | <0.0001 | 1 | 0.002 |
Speeded finger tapping rate (mean) | 408 | 0.09 | <0.0001 | 3 | <0.01 |
Consistency in self-timed finger tapping | 410 | 0.14 | <0.0001 | 3 | <0.01 |
Word list learning (HVLT) | 425 | 0.05 | <0.0001 | 1 | 0.10 |
Odour identification | 424 | 0.07 | <0.0001 | 1 | <0.01 |
Adj R^{2} = variance accounted for by estimated years to diagnosis of Huntington’s disease (HD) after accounting for covariates (see statistical methods section) and degrees of freedom used for non-linear fit.
HVLT, Hopkins Verbal Learning Test; Non-linear df, degrees of freedom for non-linear fit; non-linear p value, p value for non-linear element of estimated years to HD diagnosis fit.