Journal of NeuroEngineering and Rehabilitation

Table 4 Results of correlation analysis between gait variables calculated from the motion capture and from the OpenPose pose tracking

From: Concurrent validity of human pose tracking in video for measuring gait parameters in older adults: a preliminary analysis with multiple trackers, viewing angles, and walking directions

Gait variable	Eye-level camera				Top camera
	R	p	R	p	R	p	R	p
	Front view walks		Back view walks		Front view walks		Back view walks
	Individual steps				Individual steps
Cadence	0.99	< 0.001	1.00	< 0.001	0.97	< 0.001	0.97	< 0.001
Step time	0.71	< 0.001	0.71	< 0.001	0.48	< 0.001	0.31	< 0.001
Step width	0.42	< 0.001	0.34	< 0.001	0.44	< 0.001	0.17	0.01
Step time CV	0.17	0.40	− 0.05	0.85	0.03	0.87	0.30	0.20
Step width CV	0.27	0.18	0.60	< 0.001	− 0.16	0.43	0.27	0.26
eMOS	0.30	< 0.001	0.09	0.17	0.27	< 0.001	0.03	0.68

Gait variable	Eye-level camera				Top camera
	R	p	R	p	R	p	R	p
	Front view walks		Back view walks		Front view walks		Back view walks
	Mean of all steps				Mean of all steps
Cadence	1.00	< 0.001	1.00	< 0.001	0.99	< 0.001	0.98	< 0.001
Step time	1.00	< 0.001	1.00	< 0.001	0.99	< 0.001	0.99	< 0.001
Step width	0.56	0.07	0.54	0.09	0.55	0.08	0.39	0.24
Step time CV	0.52	0.10	0.22	0.51	0.13	0.71	0.50	0.12
Step width CV	0.18	0.61	0.60	0.05	− 0.06	0.87	0.15	0.65
eMOS	0.17	0.78	0.79	0.02	− 0.25	0.63	0.30	0.43

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ISSN: 1743-0003

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