Table 3 Peak and through-range measurement differences between DorsaVi Version 6 and Vicon systems
Flexion | Root mean square error (SD) | 95% CI | Mean difference | Lower limit of agreement | Upper limit of agreement |
|---|---|---|---|---|---|
Symmetrical Peak Flexion | |||||
Global-T12-angle | 0.55 (± 0.49) | 0.46–0.64 | -0.90 | -6.80 | 5.00 |
Global-S2-angle | 0.44 (± 0.34) | 0.38–0.50 | 0.60 | -2.16 | 3.36 |
Relative-lumbar-angle | 0.68 (± 0.55) | 0.58–0.78 | -1.20 | -8.06 | 5.67 |
Asymmetrical Peak Flexion | |||||
Global-T12-angle | 2.06 (± 1.59) | 1.91–2.21 | -1.59 | -8.66 | 5.48 |
Global-S2-angle | 2.00 (± 1.63) | 1.85–2.15 | -0.60 | -7.00 | 5.79 |
Relative-lumbar-angle | 1.24 (± 1.08) | 1.14–1.34 | -0.84 | -8.55 | 6.88 |
Symmetrical Through-Range | |||||
Global-T12-angle | 0.86 (± 0.78) | 0.84–0.88 | |||
Global-S2-angle | 0.90 (± 0.84) | 0.88–0.92 | |||
Relative-lumbar-angle | 1.34 (± 1.25) | 1.31–1.37 | |||
Asymmetrical Through-Range | |||||
Global-T12-angle | 1.84 (± 1.58) | 1.82–1.86 | |||
Global-S2-angle | 1.90 (± 1.65) | 1.88–1.92 | |||
Relative-lumbar-angle | 1.70 (± 1.54) | 1.68–1.72 |