Table 5 Characteristics of the secondary variables for the 191 samples composing the main dataset (obtained from first-order variables, Table 1)

15. Chronic

Yes/no

57/134

–

− 0.25

− 0.17

0.14

   \({\texttt {<}}\)Subacute\({\texttt {>}}\)

Yes/no

74/117

–

–

–

–

16. Acute

Yes/no

60/131

–

0.32

0.18

− 0.15

17. Diff. work area (\(m^2\))

[− 1.3, 1.6]

0.25

0.50

− 0.31

− 0.29

(− 0.069)

18. Diff. distance covered (m)

[− 160, 120]

11

34

− 0.32

− 0.26

− 0.12

19. Diff. performance (% success)

[− 0.22, 0.53]

0.087

0.13

− 0.26

− 0.22

− 0.16

20. Diff. maximum reaching speed (m/s)

[− 61, 98]

8.1

23

− 0.22

− 0.22

− 0.15

21. Diff. difficulty level reached

[− 0.47,0.63]

0.11

0.19

− 0.22

− 0.15

(− 0.058)

22. Diff. smoothness (mm)

[− 2.6, 4.4]

0.34

0.75

− 0.29

− 0.28

− 0.20

23. Diff. TGDM (m)

[− 0.035, 0.084]

0.015

0.021

− 0.52

− 0.47

− 0.24

24. Log. time since stroke (days)

[1.6, 8.0]

4.8

1.7

− 0.24

(− 0.076)

0.36

25. Log. sessions completed so far

[0.0, 3.9]

1.8

0.9

0.29

0.38

0.42

26. Log. work area

[− 4.3, 0.62]

− 1.3

0.9

0.40

0.38

0.19

27. Log. distance covered

[0.92, 5.5]

3.8

0.7

0.26

0.32

0.34

28. Log. maximum reaching speed

[1.0, 4.5]

2.6

0.73

0.26

0.20

(0.045)

29. Log. difficulty level reached

[− 0.16, 0.60]

0.25

0.14

0.44

0.50

0.45

30. Log. smoothness

[− 1.7, 1.4]

0.012

0.48

0.48

0.46

0.33

31. Log. TGDM

[− 4.7, − 2.1]

− 2.9

0.48

0.52

0.56

0.43