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Table 4 Robotic outcome measures at week 0 and week 6 for the 13 subjects that were retained for data analysis (mean ± std), and p-values of the statistical analysis (Wilcoxon tests with 0.05 significance level).

From: Effects of a robot-assisted training of grasp and pronation/supination in chronic stroke: a pilot study

Robotic measures week 0 (session 1) week 6 (session 18) Wilcoxon test
εp [mm] 3.03 ± 2.45 1.52 ± 1.21 0.001
n0 [1/s] 6.06 ± 0.52 5.75 ± 0.47 0.033
tr [s] 7.40 ± 3.63 4.67 ± 3.24 0.001
ta [s] 7.44 ± 3.23 5.24 ± 3.32 0.001