. 2019 Jul 28;19(15):3320. doi: 10.3390/s19153320

Table A3.

Test-Retest reliability and Minimal Detectable Change (MDC).

Task	Measures	N	Test		Re-Test		Test-Retest ICC	SEM	MDC
			Mean	SD	Mean	SD
Gait ST	Gait cycle duration SD	43	0.04	0.02	0.03	0.01	0.72	0.01	0.03
	Foot strike angle	43	11.54	5.65	11.43	5.30	0.97	1.03	2.84
	Toe off angle	43	29.16	4.94	29.75	5.00	0.95	1.12	3.12
	Stance time	43	61.55	2.10	60.95	2.03	0.94	0.51	1.41
	Trunk coronal ROM	43	4.37	1.87	4.27	1.72	0.97	0.29	0.80
	Trunk sagittal ROM	43	3.67	0.73	3.93	0.73	0.81	0.33	0.91
	Arm ROM	43	26.51	11.48	27.39	12.84	0.96	2.46	6.83
	Turn velocity	41	134.24	35.52	138.59	35.93	0.95	8.39	23.26
Gait DT	Gait speed	40	0.75	0.20	0.79	0.20	0.90	0.06	0.18
	Trunk transverse ROM	40	6.88	1.94	6.85	2.25	0.84	0.85	2.34
Dual task cost	Stride length	40	−12.27	8.30	−10.94	12.57	0.66	6.20	17.17
EOFirm	Sway area	37	0.09	0.05	0.10	0.07	0.57	0.04	0.11
EOFoam	Jerk AP	34	9.16	12.63	11.34	21.63	0.63	10.87	30.12
	RMS ML	34	0.12	0.04	0.12	0.06	0.79	0.02	0.06
	RMS AP	34	0.13	0.04	0.14	0.09	0.46	0.05	0.14
ECFirm	Velocity ML	37	0.12	0.06	0.13	0.11	0.47	0.06	0.18
APA ST	peak ML	37	0.04	0.01	0.03	0.02	0.70	0.01	0.02
	First step ROM	42	29.72	9.18	27.12	11.25	0.82	4.44	12.29
	Latency	37	0.68	0.21	0.74	0.19	0.49	0.14	0.40
APA DT	peak ML	36	0.03	0.02	0.03	0.02	0.83	0.01	0.02
	Latency	36	0.76	0.20	0.81	0.34	0.23	0.25	0.68
APR	Time to stability	32	1.36	0.70	1.23	0.76	0.79	0.34	0.93
	Length ML	32	0.14	0.11	0.17	0.11	0.44	0.08	0.22
	Length vertical	32	0.04	0.02	0.05	0.03	0.86	0.01	0.03

ST, single task; DT, dual task; EOFirm, eyes open on firm; EOFoam, eyes open on foam; ECFirm, eyes closed on firm; SD, standard deviation; ROM, range of motion; ML, medio-lateral; AP, antero-posterior; ICC, intraclass correlation coefficient; SEM, standard error of measurement.