Table 4.

Center of gravity sway velocity results between groups.

	Self-exercise (n = 16)	Control (n = 16)	Mean difference (95% CI)	p-value
Eyes open on a firm surface
-Before (°/s)	0.33 ± 0.25	0.22 ± 0.11	0.12 (−0.04 to 0.27)	0.139
-After (°/s)	0.32 ± 0.11	0.27 ± 0.12	0.05 (−0.05 to 0.14)	0.307
Eyes closed on a firm surface
-Before (°/s)	0.44 ± 0.10	0.42 ± 0.22	0.02 (−0.12 to 0.15)	0.820
-After (°/s)	0.48 ± 0.17	0.37 ± 0.15	0.11 (−0.02 to 0.24)	0.103
Eyes open on a foam surface
-Before (°/s)	0.55 ± 0.21	0.52 ± 0.18	0.03 (−0.14 to 0.18)	0.768
-After (°/s)	0.55 ± 0.19	0.50 ± 0.09	0.05 (−0.08 to 0.17)	0.437
Eyes closed on a foam surface
-Before (°/s)	1.20 ± 0.40	1.25 ± 0.28	−0.05 (−0.33 to 0.23)	0.696
-After (°/s)	1.26 ± 0.66	1.15 ± 0.30	0.11 (−0.30 to 0.53)	0.572
Composite score
-Before (°/s)	0.69 ± 0.20	0.60 ± 0.15	0.09 (−0.06 to 0.23)	0.242
-After (°/s)	0.65 ± 0.25	0.58 ± 0.14	0.08 (−0.09 to 0.24)	0.350