Table 5.

Test-retest reliability parameters for subgroup 1 (n = 11) without support of the non-affected arm

	Subgroup 1 (n = 11) VPIT test performance without support
VPIT parameters	Test Mean ± SD	Retest Mean ± SD	Test-Retest Mean difference ± SD	Kendall’s tau correlation	Kendall’s tau correlation with transformed data	ICC (95 % CI)	SEM agreement	SDD	SDD%
Tex [s]	113.14 ± 64.54	83.56 ± 27.26	29.57 ± 61.17	.19a	0.31c	0.35 (−0.90–0.81)	37.01	102.50	682.87
Ndp	0.12 ± 0.23	0.12 ± 0.23	0.0 ± 0.34	0.0	-	0.25 (−6.04–0.69)	0.20	0.55	3.66
Fg go [N]	10.49 ± 4.84	10.13 ± 4.09	0.36 ± 3.4	0.20a	0.24c	0.84 (0.40–0.96)	1.79	4.95	32.97
Fg return [N]	1.74 ± 0.92	1.55 ± 1.22	0.19 ± 0.93	0.13a	0.13d	0.78 (0.18–0.94)	0.50	1.39	9.26
Nzc [1/s] go	11.18 ± 1.79	10.79 ± 1.97	0.39 ± 1.21	0.06	-	0.89 (0.60–0.97)	0.62	1.73	11.53
Nzc [1/s] return	11.72 ± 1.91	10.80 ± 1.83	0.92 ± 1.29	0.09	-	0.82 (0.28–0.95)	0.79	2.20	14.66
Etraj go [cm]	0.56 ± 0.27	0.47 ± 0.15	0.09 ± 0.20	0.16a	0.10b,c	0.70 (0.00–0.92)	0.12	0.32	2.13
	0.29 ± 0.18c	0.35 ± 0.15c	0.06 ± 0.11c			0.83 (0.38–0.95)c	0.07c	0.19c	1.27c
Etraj return [cm]	0.79 ± 0.28	0.75 ± 0.35	0.04 ± 0.42	0.06	-	0.18 (−2.80–0.80)	0.29	0.79	5.26
Fcmean [N]	1.08 ± 0.72	1.18 ± 0.66	−0.10 ± 0.52	0.02	-	0.84 (0.41–0.96)	0.28	0.77	5.13

^aΤ > 0.1, T_trans decreased^b, ^c = log10 transformed, ^d = square root transformed

T _ex [s] execution time in seconds, N _dp number of dropped pegs during transport, F _g (go/return) [N] mean grasping force of the three force sensors integrated into the handle in Newton, N _{zc [1/s]} (go/return) number of zero-crossings of the acceleration, E _traj [cm]: trajectory error, F _{cmean [N]} mean collision force, SD Standard Deviation, ICC Intraclass Correlation Coefficient, CI Confidence Interval, SEM Standard Error of Measurement, SDD Smallest Detectable Difference