Table 2 Agreement and repeatability—Kinect-M
From: Automated extraction and validation of children’s gait parameters with the Kinect
Gait parameters | \(\rho\) | CCC (95 % CI) | ICC (95 % CI) | Bias (95 % LoA) | PE (%) | Repeatability | |
|---|---|---|---|---|---|---|---|
Absolute | Mean % | ||||||
Left step time (s) | 0.926 | 0.91 (0.81–0.96) | 0.95 (0.89–0.98) | 0.012 (−0.048 to 0.072) | 15.01 | 0.050 | 12.19 |
Right step time (s) | 0.948 | 0.90 (0.81–0.95) | 0.95 (0.88–0.98) | −0.020 (−0.062 to 0.023) | 11.29 | 0.071 | 18.91 |
Cadence (strides/min) | 0.838 | 0.83 (0.66–0.92) | 0.83 (0.65–0.92) | −1.230 (−21.259 to 18.798) | 25.83 | 20.75 | 13.44 |
Swing time (s) | 0.939 | 0.83 (0.69–0.91) | 0.91 (0.80–0.95) | −0.023 (−0.060 to 0.013) | 11.92 | 0.050 | 16.66 |
Left stride length (cm) | 0.848 | 0.79 (0.59–0.90) | 0.89 (0.75–0.95) | −3.583 (−16.447 to 9.282) | 17.85 | 10.208 | 14.23 |
Right stride length (cm) | 0.920 | 0.85 (0.70–0.93) | 0.92 (0.80–0.95) | −4.085 (−13.009 to 4.840) | 12.46 | 10.107 | 14.23 |
Left step length (cm) | 0.900 | 0.86 (0.74–0.93) | 0.93 (0.82–0.96) | −0.681 (−6.927 to 5.565) | 16.94 | 4.227 | 11.34 |
Right step length (cm) | 0.792 | 0.73 (0.50–0.86) | 0.92 (0.82–0.96) | −2.281 (−9.947 to 5.385) | 21.76 | 4.858 | 13.96 |
Velocity (cm/s) | 0.855 | 0.84 (0.68–0.92) | 0.85 (0.69–0.93) | −3.036 (−13.904 to 7.832) | 23.33 | 12.796 | 13.96 |