UPDRS | KINARM Task | Parameter | Effect of DRT on KINARM parameter (n = 20) | correlation with DRT changes in UPDRS; co-efficient (P) (n = 26)a |
---|---|---|---|---|
Bradykinesia | Object hit task | Mean hand speed | n.s. (paired t-test, t = − 1.667, P = 0.112) | − 0.443 (P < 0.05) |
Total hits | median 163 to 179 (Wilcoxon Signed Rank Test, Z = 2.278, P < 0.05) | −0.162 (P = 0.42) | ||
Object hit and avoid task | Mean hand speed | increased by 28% (paired t-test, t = − 2.130, P < 0.05) | −0.609 (P < 0.001) | |
Total hits | mean 97 to 106 (paired t-test, t = − 2.806, P < 0.05) | −0.519 (P < 0.01) | ||
Distractor hits | 17 to 26 (paired t-test, t = − 3.869, P = < 0.001) | −0.629 (P < 0.001) | ||
Rigidity | Passive stretch task | End total torques | n.s. (Wilcoxon Signed Rank Test, Z = 0.241, P = 0.83) | 0.043 (P = 0.84) |
Postural stability | Unloading task | Maximum displacement | 11% greater (paired t-test, t = − 2.377, P < 0.05) | −0.17 (P = 0.41) |