Table 3.

Regression analysis of the differences (Coefficient (slope and intercept), SE = standard error) together with the 95 % confidence intervals (CI), p-values and coefficient of repeatability (CR) of the spatiotemporal parameters between the OptoGait^TM (O) and the Xsens (X).

SPT (O-X)	Parameter	Coefficient	SE	t	p	95% CI	CR	95% CI
Stance phase (s)	Intercept	0.096	0.033	2.900	0.0041	0.030 to 0.162	0.121	0.110 to 0.134
	Slope	−0.059	0.049	−1.192	0.2346	−0.157 to 0.038
Swing phase (s)	Intercept	−0.046	0.029	−1.569	0.1182	−0.104 to 0.011	0.056	0.0514 to 0.0623
	Slope	0.093	0.087	1.065	0.2878	−0.079 to 0.265
Stance phase (%)	Intercept	21.820	8.805	2.478	0.0140	4.461 to 39.180	7.378	6.733 to 8.160
	Slope	−0.284	0.132	−2.141	0.0334	−0.545 to −0.0225
Swing phase (%)	Intercept	8.821	4.792	1.840	0.0671	−0.627 to 18.269	7.327	6.687 to 8.104
	Slope	−0.347	0.142	−2.444	0.0153	−0.627 to −0.0672
Gait Cycle (s)	Intercept	−0.039	0.032	−1.219	0.2239	−0.102 to 0.0242	0.091	0.083 to 0.101
	Slope	0.080	0.032	2.496	0.0133	0.016 to 0.143
Double support (s)	Intercept	0.127	0.033	3.826	0.0002	0.061 to 0.193	0.158	0.144 to 0.175
	Slope	−0.168	0.101	−1.666	0.0971	−0.368 to 0.030
Double support (%)	Intercept	11.653	4.390	2.654	0.0086	2.997 to 20.308	13.531	12.349 to 14.966
	Slope	−0.177	0.134	−1.316	0.1896	−0.442 to 0.088
Pre-swing (s)	Intercept	0.054	0.018	2.964	0.0034	0.018 to 0.089	0.0834	0.076 to 0.0927
	Slope	−0.108	0.110	−0.977	0.3295	−0.326 to 0.110
Pre-swing (%)	Intercept	29.749	1.602	18.564	<0.0001	26.590 to 32.909	10.447	9.534 to 11.554
	Slope	−1.654	0.093	−17.682	<0.0001	−1.839 to −1.470
Loading response (%)	Intercept	−26.826	0.864	−31.042	<0.0001	−28.529 to −25.122	23.984	21.889 to 26.527
	Slope	1.844	0.044	41.031	<0.0001	1.756 to 1.933
Cadence (step/min)	Intercept	−2.893	3.864	−0.748	0.4549	−10.512 to 4.725	10.935	9.980 to 12.095
	Slope	−0.016	0.032	−0.516	0.6058	−0.080 to 0.046