. 2015 Apr;37(4):400–407. doi: 10.1016/j.medengphy.2015.02.003

Table 3.

ICC, correlations, mean difference ( $\bar{x}$ ) ± 95% LoA and LoA% between the BWM and GaitRite for mean/variability/asymmetry step time, stride time, stance time, swing time, step length and step velocity for both cohorts.

Group	Task	Mean ± SD		Correlations/agreement
		GaitRite	BWM	ICC	r	ρ	$\bar{x} \pm 95 %$	LoA (%)
Mean
(a) YHP	Step time (s)	0.534 ± 0.038	0.535 ± 0.039	0.997^*	0.994^*	0.991^*	0.002 ± 0.005	1.0
	Stride time (s)	1.070 ± 0.077	1.072 ± 0.076	0.998^*	0.997^*	0.987^*	0.003 ± 0.012	1.1
	Stance time (s)	0.668 ± 0.056	0.707 ± 0.057	0.845^*	0.904^*	0.895^*	0.039 ± 0.049	7.1
	Swing time (s)	0.401 ± 0.026	0.365 ± 0.029	0.487^*	0.591^*	0.592^*	–0.035 ± 0.049	12.8
	Step length (cm)	75.862 ± 5.793	78.630 ± 9.301^a	0.828^*	0.833^*	0.829^*	2.770 ± 10.811	14.0
	Step velocity (cm/s)	142.988 ± 14.494	147.783 ± 19.086	0.901^*	0.882^*	0.860^*	4.795 ± 18.199	12.5
(b) OHP	Step time	0.519 ± 0.032	0.522 ± 0.034	0.997^*	0.997^*	0.992^*	0.003 ± 0.003	0.5
	Stride time	1.039 ± 0.064	1.045 ± 0.065	0.999^*	1.000^*	0.999^*	0.004 ± 0.004	0.4
	Stance time	0.652 ± 0.047	0.679 ± 0.042	0.877^*	0.918^*	0.897^*	0.026 ± 0.037	5.6
	Swing time	0.387 ± 0.023	0.365 ± 0.028	0.701^*	0.740^*	0.756^*	−0.022 ± 0.037	9.8
	Step length	72.942 ± 7.319	79.828 ± 9.797^a	0.790^*	0.880^*	0.831^*	6.803 ± 9.377	12.3
	Step velocity	141.078 ± 14.540	153.701 ± 20.299	0.815^*	0.900^*	0.867^*	12.664 ± 18.541	12.6
Variability
(c) YHP	Step time	0.013 ± 0.011	0.019 ± 0.009	0.109	0.067	0.248	0.005 ± 0.026	161.2
	Stride time	0.018 ± 0.005	0.023 ± 0.007	0.549^**	0.534^*	0.600^*	0.005 ± 0.012	59.8
	Stance time	0.015 ± 0.004	0.022 ± 0.009	0.428^**	0.546^*	0.530^*	0.008 ± 0.015	80.1
	Swing time	0.010 ± 0.002^b	0.021 ± 0.011	0.067	0.176	0.330^**	0.010 ± 0.022	137.8
	Step length	1.782 ± 0.426^c	4.859 ± 1.908	−0.015	−0.062	0.099	3.077 ± 3.882	116.9
	Step velocity	4.883 ± 1.147	10.548 ± 3.759	−0.012	−0.032	0.127	5.686 ± 7.772	100.6
(d) OHP	Step time	0.013 ± 0.005	0.019 ± 0.012	0.353	0.401^**	0.289	0.006 ± 0.020	125.4
	Stride time	0.019 ± 0.006	0.022 ± 0.006	0.886^*	0.854^*	0.807^*	0.002 ± 0.006	31.2
	Stance time	0.014 ± 0.004	0.020 ± 0.007	0.365^**	0.413^**	0.467^**	0.006 ± 0.013	73.7
	Swing time	0.012 ± 0.003^b	0.017 ± 0.007	0.468^**	0.519^**	0.436^**	0.005 ± 0.012	83.1
	Step length	2.046 ± 0.579^c	4.792 ± 1.858	0.060	0.162	0.186	2.746 ± 3.636	106.3
	Step velocity	4.841 ± 1.198	10.816 ± 4.045	0.039	0.108	0.119	5.973 ± 8.023	102.5
Asymmetry
(e) YHP	Step time	0.006 ± 0.007	0.008 ± 0.017	0.129	0.096	−0.010	0.002 ± 0.031	407.4
	Stride time	0.002 ± 0.002	0.003 ± 0.002	−0.056	−0.027	−0.085	0.000 ± 0.006	239.1
	Stance time	0.006 ± 0.005	0.009 ± 0.015	0.040	0.036	0.090	0.003 ± 0.030	397.6
	Swing time	0.006 ± 0.004	0.009 ± 0.016	0.063	0.063	−0.005	0.003 ± 0.032	410.9
	Step length	1.756 ± 1.274	1.324 ± 1.753	0.275	0.171	0.200	−0.422 ± 3.890	253.5
	Step velocity	3.464 ± 2.758	3.688 ± 5.862	0.444^**	0.364^**	−0.093	0.223 ± 10.770	301.2
(f) OHP	Step time	0.009 ± 0.008	0.011 ± 0.012	0.381	0.265	0.094	0.004 ± 0.020	210.5
	Stride time	0.002 ± 0.002	0.002 ± 0.002	0.333	0.201	−0.039	0.000 ± 0.005	221.2
	Stance time	0.007 ± 0.006	0.009 ± 0.008	0.439^**	0.301	0.037	0.002 ± 0.016	204.8
	Swing time	0.007 ± 0.006	0.009 ± 0.008	0.545^**	0.396^**	0.144	0.002 ± 0.016	195.4
	Step length	1.641 ± 1.407	1.505 ± 1.222	−0.189	−0.085	0.000	−0.135 ± 3.804	241.9
	Step velocity	3.468 ± 3.507	3.570 ± 3.849	−0.394	−0.160	−0.087	0.102 ± 10.990	312.3

^a,b,b

Significant difference between BWM and GaitRite for corresponding gait characteristics.

p < 0.001.

^**

p < 0.05.