Subgroup 2 (n = 20) VPIT test performance with 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] | 123.33 ± 77.24 | 107.04 ± 58.93 | 16.30 ± 34.62 | 0.03 | - | 0.92 (0.79–0.97) | 19.25 | 53.32 | 317.76 |
Ndp | 0.77 ± 1.27 | 1.22 ± 1.87 | −0.45 ± 1.91 | 0.18a | 0.11b,c | 0.45 (−0.37–0.78) | 1.16 | 3.23 | 19.25 |
0.18 ± 0.22c | 0.26 ± 0.26c | −0.07 ± 0.28c | 0.49 (−0.26–0.80)c | 0.17c | 0.48c | 3.11c | |||
Fg go [N] | 8.15 ± 5.25 | 7.67 ± 5.28 | 0.49 ± 1.79 | 0.11a | 0.12d | 0.97 (0.93–0.99) | 0.91 | 2.53 | 15.08 |
Fg return [N] | 1.62 ± 0.80 | 1.63 ± 0.73 | −0.02 ± 0.72 | 0.10a | - | 0.73 (0.29–0.89) | 0.40 | 1.10 | 6.56 |
Nzc [1/s]go | 11.03 ± 1.39 | 10.81 ± 1.59 | 0.22 ± 0.68 | 0.34a | 0.32b,c | 0.94 (0.86–0.98) | 0.37 | 1.01 | 6.02 |
1.04 ± 0.06c | 1.03 ± 0.07c | 0.01 ± 0.03c | 0.94 (0.85–0.98)c | 0.02c | 0.04c | 0.26c | |||
Nzc[1/s] return | 11.17 ± 1.57 | 10.93 ± 1.77 | 0.25 ± 0.91 | 0.18a | 0.18d | 0.92 (0.80–0.97) | 0.47 | 1.31 | 7.81 |
Etraj go [cm] | 0.84 ± 0.39 | 0.78 ± 0.28 | 0.06 ± 0.37 | 0.01 | - | 0.58 (−0.06–0.84) | 0.22 | 0.60 | 3.58 |
Etraj return [cm] | 1.10 ± 0.42 | 1.15 ± 0.61 | −0.04 ± 0.53 | 0.16a | 0.15b,c | 0.66 (0.13–0.87) | 0.30 | 0.83 | 4.95 |
0.02 ± 0.16c | 0.02 ± 0.19c | 0.00 ± 0.17c | 0.69 (0.21–0.88)c | 0.10c | 0.27c | 1.75c | |||
Fcmean [N] | 1.45 ± 1.16 | 1.36 ± 1.08 | 0.09 ± 0.50 | 0.10a | 0.01b,d | 0.95 (0.87–0.98) | 0.25 | 0.69 | 4.11 |
1.11 ± 0.47d | 1.08 ± 0.47d | 0.04 ± 0.23d | 0.94 (0.84–0.98)d | 0.12d | 0.32d | 2.07d |