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Table 1 Within-group comparisons of healthy subjects at three different time points

From: Motor improvement estimation and task adaptation for personalized robot-aided therapy: a feasibility study

  Performance measures (mean ± standard error of the mean, sem) Friedman’s test Wilcoxon signed-rank test with Holm–Bonferroni correction (for three comparisons)
AI,1–3 B1 (inversion) B5 (inversion) Chi-square (2) P value pcorr
AI,1–3–B1
pcorr
B1–B5
pcorr
AI,1–3–B5
Fast adapters (n = 9)
 MV (m/s) 0.16 ± 0.01 0.13 ± 0.01 0.15 ± 0.01 10.89 0.0043 0.0156 0.0117 0.3594
 SAL − 2.81 ± 0.07 − 3.77 ± 0.12 − 3.09 ± 0.19 16.22 0.0003 0.0117 0.0078 0.0117
 %SUCC 97.1 ± 1.1 55.8 ± 3.4 85.4 ± 2.8 18.0 0.0001 0.0117 0.0117 0.0117
Slow adapters (n = 8)
 MV (m/s) 0.17 ± 0.01 0.10 ± 0.01 0.12 ± 0.01 13.0 0.0015 0.0156 0.0156 0.1094
 SAL − 3.13 ± 0.10 − 6.39 ± 0.34 − 3.82 ± 0.11 16.0 0.0003 0.0234 0.0234 0.0234
 %SUCC 94.7 ± 1.5 16.3 ± 3.9 57.0 ± 5.6 16.0 0.0003 0.0234 0.0234 0.0234