Fig. 2.

Multivariate regression model showing independent association between average MDS- UPDRS III score and GM density, considering age and sex as a co-variates in the model (T < − 2.548, one tailed, P < 0.05, FWE corrected, with small volume correction in striatum region). (For interpretation of the references to color in this figure, the reader is referred to the web version of this article.)