Table 2.

Results of linear regression analysis between net plantarflexion moment CNN-based prediction and ground truth with different ROIs, including mean, standard error (SE), and p-value of slope and y-intercept coefficients, as well as R² values

		Slope			y-intercept
Participants	ROI	Estimate	SE	-value	Estimate	SE	-value
Sub01	1	1.021	0.003	<0.001	−3.214	0.316	<0.001	0.923
	2	0.994	0.002	<0.001	0.347	0.224	0.240	0.948
	3	1.022	0.002	<0.001	−0.659	0.147	<0.001	0.965
Sub02	1	1.011	0.003	<0.001	0.321	0.132	0.043	0.913
	2	1.021	0.003	<0.001	0.530	0.129	0.051	0.934
	3	1.016	0.003	<0.001	0.158	0.159	0.628	0.947
Sub03	1	0.992	0.002	<0.001	0.409	0.182	0.227	0.926
	2	0.987	0.002	<0.001	1.225	0.120	<0.001	0.949
	3	0.993	0.002	<0.001	1.198	0.139	<0.001	0.957
Sub04	1	1.001	0.004	<0.001	3.524	0.290	<0.001	0.835
	2	0.993	0.003	<0.001	5.627	0.211	<0.001	0.868
	3	0.988	0.003	<0.001	3.223	0.284	<0.001	0.896
Sub05	1	1.021	0.003	<0.001	0.269	0.142	0.111	0.855
	2	1.012	0.003	<0.001	1.153	0.165	<0.001	0.908
	3	1.036	0.003	<0.001	1.182	0.175	<0.001	0.921
Sub06	1	1.009	0.003	<0.001	−0.395	0.132	0.571	0.870
	2	1.012	0.003	<0.001	2.647	0.144	<0.001	0.936
	3	0.998	0.002	<0.001	2.157	0.171	<0.001	0.943
Sub07	1	0.986	0.003	<0.001	1.797	0.155	<0.001	0.883
	2	0.964	0.002	<0.001	2.216	0.069	<0.001	0.911
	3	0.993	0.002	<0.001	2.783	0.076	<0.001	0.931
Sub08	1	1.008	0.002	<0.001	0.469	0.120	0.005	0.928
	2	1.019	0.002	<0.001	0.674	0.112	<0.001	0.936
	3	0.993	0.002	<0.001	0.643	0.176	0.002	0.942