Table 2.
Mean (SD) values of test-retest parameters
| Hand opening | Hand closing | |||||||
|---|---|---|---|---|---|---|---|---|
| c1 | c2 | c3 | c4 | c1 | c2 | c3 | c4 | |
| ICC2,1 | 0.96 (0.03) |
0.88 (0.07) |
0.78 (0.06) |
0.79 (0.07) |
0.96 (0.03) |
0.89 (0.04) |
0.86 (0.03) |
0.84 (0.07) |
| σw | 4.5° (1.4°) |
3.8° (1.4°) |
6.7%Dur (2.1%Dur) |
7.0%Dur (3.1%Dur) |
4.3° (1.1°) |
5.0° (1.9°) |
3.5%Dur (2.0%Dur) |
7.1%Dur (2.4%Dur) |
| σr/σw% | 90.8 (4.8) |
93.3 (5.9) |
98.0 (3.5) |
97.6 (4.0) |
94.3 (5.6) |
99.7 (0.6) |
93.4 (5.9) |
98.6 (2.0) |
| Mean test-retest error | 2.5° (1.6°) |
2.7° (1.9°) |
3.6%Dur (2.6%Dur) |
2.7%Dur (2.5%Dur) |
3.1° (1.9°) |
2.8° (2.2°) |
3.4%Dur (2.4%Dur) |
3.1%Dur (2.9%Dur) |
| Max. test-retest error | 5.7° | 6.5° | 8.8%Dur | 7.7%Dur | 6.9° | 7.2° | 8.2%Dur | 9.0%Dur |
ICC2,1: Intraclass Correlation Coefficient, model 2,1
σw: within-subject standard deviation
σr/σw%: percentage ratio between intra-session standard deviation and within-subject standard deviation