Correlation of digitomotography measures with clinical data.

Data are calculated with simple regression, and presented with the coefficient of determination (r2). * p < 0.05. BDI, Becks Depression Inventory; CoV, coefficient of variation; DEV mean, mean tap deviation from the predefined 1.55 Hertz cueing tone; Delta TMT, Trail Making Test part B minus part A, a measure of cognitive flexibility and working memory [18]; DEV SD, variability of tap deviation from the predefined 1.55 Hertz cueing tone; IPI, interpeak interval; MMSE, Mini-Mental State Examination; SD, standard deviation; TF, tap force; UPDRS III, Motor part of the Unified Parkinson’s Disease Rating Scale. Correlation of digitomotography measures with clinical data.