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Table 6 Characteristics of the secondary variables for the 54 samples composing the recovery dataset (obtained from first-order variables, Table 2)

From: Estimating upper-extremity function from kinematics in stroke patients following goal-oriented computer-based training

Variables Range [min,max] Mean SD \(r(\Delta {\text {FM-UE}})\) \(r(\Delta \text {CAHAI})\) \(r(\Delta \text {BI})\)
15. Chronic Yes/no 10/44 − 0.30 − 0.44 − 0.38
   \({\texttt {<}}\)Subacute\({\texttt {>}}\) Yes/no 10/44
16. Acute yes/no 34/20 0.19 0.44 0.53
17. Change in diff. work area (m) [− 1.5, 1.8] − 0.13 0.67 − 0.30 (− 0.060) − 0.24
18. Change in diff. distance covered (m) [− 94, 150] 3.1 40 − 0.45 0.23 − 0.30
19. Change in diff. performance (% success) [− 0.22, 0.53] 0.087 0.13 0.18 (0.10) 0.17
20. Change in diff. maximum reaching speed (m/s) [− 76, 71] − 5.1 30 − 0.28 − 0.16 − 0.32
21. Change in diff. difficulty [− 0.46, 0.62] 0.0095 0.21 (0.064) (0.12) 0.14
22. Change in diff. smoothness (mm) [− 2.7, 1.4] − 0.17 0.85 − 0.41 − 0.26 − 0.47
23. Change in diff. TGDM (m) [− 0.12, 0.088] − 0.0050 0.040 − 0.51 − 0.43 − 0.56
24. Log. time since stroke (at first) [0.41, 1.2] 0.73 0.16 − 0.36 − 0.37 − 0.40
25. Log. sessions completed so far (at first) [0, 1.2] 0.52 0.39 − 0.55 − 0.36 − 0.55
26. Change in Log. work area [− 6.4, 1.5] − 0.79 1.6 (0.062) (0.057) (0.11)
27. Change in Log. distance covered [− 0.90, 5.6] 3.0 2.0 0.18 0.16 0.17
28. Change in Log. maximum reaching speed [− 1.8, 5.6] 1.4 2.3 0.15 0.30 0.17
29. Change in Log. difficulty [− 3.8, 0] − 1.4 0.90 (0.064) (0.13) (0.024)
30. Change in Log. smoothness [− 2.0, 3.0] 0.63 1.1 0.31 0.32 0.37
31. Change in Log. TGDM [− 10, 0.5] − 1.4 1.8 (0.035) 0.17 (0.037)
  1. We select couple of sessions of the same patient with a delay of at least 16 days from the main dataset, Table 1. The r columns refer to the Pearson correlation coefficients with the FM-UE, CAHAI, and BI clinical scales, respectively. Correlations below the threshold \(r \sim 0.14\) are in parenthesis. The variables obtained directly from RGS system log files are in Italic type. The Diff. variables are obtained as the difference between the value observed for the less affected arm and the value for the more affected one. The Log. variables are obtained as the natural logarithm of the corresponding first-order variables