Table 1. The inter-rater reliability of the three balance tests for the young adults and elderly people.

	Young adults (n = 20)		Elderly (n = 20)
	Average value	ICC3,1 (95% CI)	Average value	ICC3,1 (95% CI)
Wii Fit balance board
Standing with eyes open (cm)	1.87 ± 0.59	0.19 (−0.57–0.64)	2.37 ± 1.44	0.93 (0.86–0.97)
Standing with eyes closed (cm)	2.29 ± 0.77*	0.21 (−0.70–0.66)	9.75 ± 9.56	0.99 (0.97–0.99)
One leg standing (cm)	6.45 ± 1.62*	0.28 (−0.55–0.70)	13.56 ± 9.14	0.99 (0.98–0.99)
SBM
Standing with eyes open (cm)	1.05 ± 0.41*	0.70 (0.39–0.87)	2.89 ± 2.47	0.99 (0.98–0.99)
Standing with eyes closed (cm)	0.97 ± 0.30*	0.78 (0.36–0.85)	4.73 ± 2.39	0.99 (0.98–0.99)
One leg standing (cm)	3.92 ± 1.48*	0.97 (0.93–0.97)	10.96 ± 2.89	0.99 (0.98–0.99)

SBM, smart balance master system. * Young adults vs. elderly, p < 0.05