Journal of NeuroEngineering and Rehabilitation

Table 4 Test-Retest Reliability of ACC-based measures

From: ISway: a sensitive, valid and reliable measure of postural control

	CTRL							PD
	Test I		Test II		ICC(1-1)	95%Cl bounds		Test I		Test II		ICC(1-1)	95%Cl bounds
	Mean	SEM	Mean	SEM	ρ	lower	upper	Mean	SEM	Mean	SEM	ρ	lower	upper
Jerk	0.065	0.007	0.067	0.007	0.87	0.67	0.95	0.235	0.110	0.188	0.066	0.86	0.66	0.95
*Trajectory Measures*
DIST	0.043	0.003	0.048	0.004	0.70	0.34	0.88	0.089	0.020	0.074	0.014	0.84	0.61	0.94
RMS	0.052	0.003	0.057	0.005	0.71	0.35	0.89	0.108	0.026	0.089	0.017	0.83	0.59	0.93
PATH	4.428	0.220	4.484	0.234	0.89	0.72	0.96	8.232	1.285	7.286	0.909	0.81	0.56	0.93
RANGE	0.275	0.016	0.283	0.020	0.74	0.41	0.90	0.567	0.150	0.494	0.102	0.82	0.58	0.93
MV	0.104	0.012	0.122	0.013	0.68	0.31	0.87	0.211	0.049	0.176	0.029	0.75	0.44	0.90
MF	0.58	0.03	0.55	0.05	0.60	0.17	0.84	0.54	0.04	0.54	0.04	0.55	0.12	0.81
*Area Measures*
AREA	0.0019	0.0002	0.0021	0.0002	0.76	0.45	0.91	0.0127	0.0059	0.0078	0.0031	0.73	0.40	0.89
*Frequency Measures*
PWR	0.41	0.04	0.47	0.08	0.61	0.19	0.84	3.54	2.24	2.04	1.33	0.85	0.64	0.94
F50	0.43	0.03	0.41	0.05	0.30	-0.20	0.68	0.36	0.01	0.37	0.02	0.35	-0.13	0.70
F95	1.95	0.10	1.92	0.10	0.59	0.17	0.83	1.78	0.16	2.00	0.14	0.67	0.31	0.87
CF	0.78	0.05	0.76	0.05	0.61	0.19	0.84	0.69	0.05	0.76	0.06	0.69	0.34	0.87
FD	0.76	0.01	0.79	0.02	0.25	-0.25	0.65	0.78	0.01	0.80	0.01	0.61	0.20	0.84

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ISSN: 1743-0003

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