Table 1.

Agreement statistics for discrete data between manual analysis and OpenPose methods.

	Bias	Random error	LOA	RMSE	ICC (3,1)
ROM TOL hip (°)	15.52	16.26	−0.74–31.78	17.43	0.21
ROM SWL hip (°)	20.89	29.97	−9.08–50.87	25.51	−0.05
ROM TOL knee (°)	15.66	31.41	−15.75–47.07	21.92	0.40
ROM SWL knee (°)	0.02	32.29	−32.28–32.31	15.78	0.78
ROM TOL ankle (°)	−15.22	75.51	−90.73–60.29	39.90	−0.31
ROM SWL ankle (°)	9.24	64.76	−55.52–74.00	32.96	0.01
Min TOL hip (°)	2.59	10.10	−7.51–12.68	5.57	−0.13
Min SWL hip (°)	−0.23	10.10	−10.32–9.87	4.94	0.27
Min TOL knee (°)	−1.09	14.90	−15.99–13.81	7.36	−0.32
Min SWL knee (°)	12.41	13.29	−0.88–25.69	14.00	0.14
Min TOL ankle (°)	−0.93	35.45	−36.38–34.51	17.34	−0.01
Min SWL ankle (°)	1.09	17.24	−16.15–18.32	8.49	0.54
Max TOL hip (°)	−0.35	14.91	−15.26–14.55	7.29	0.67
Max SWL hip (°)	3.86	26.20	−22.34–30.07	13.37	−0.15
Max TOL knee (°)	1.87	12.25	−10.38–14.12	6.27	0.85
Max SWL knee (°)	10.55	21.96	−11.41–32.50	15.04	0.66
Max TOL ankle (°)	−28.60	55.52	−84.12–26.91	39.42	0.06
Max SWL ankle (°)	10.93	65.92	−54.99–76.85	34.00	−0.15
Take-off COM angle (°)	−12.44	22.20	−34.63–9.76	16.50	0.00
Take-off COM height (m)	0.02	0.23	−0.22–0.25	0.11	0.19
Take-off COM velocity (m/s)	−4.74	2.83	−7.57–−1.91	4.94	0.00

LOA, limits of agreement; RMSE, root mean square error; ICC, intraclass correlation coefficient; ROM, range of motion; TOL, take-off leg; SWL, swing leg; COM, centre of mass.