Table 3.

Comparisons of study variables with eyes closed in single leg stance among three groups.

		TC group (N = 12)	BW group (N = 13)	C group (N = 11)	time		group		time × group
					P value	η2p	P value	η2p	P value	η2p
Time (second)					<0.001	0.576	0.005	0.271	<0.001	0.373
	Week0	16.78 ± 7.10	15.63 ± 8.30	18.26 ± 7.63
	Week16	39.95 ± 11.67a,c	31.68 ± 12.4a,c	19.11 ± 8.19
	Week20	36.77 ± 13.47a,c	31.45 ± 11.44a,c	19.89 ± 6.93
	Week24	35.53 ± 12.09a,c	26.76 ± 11.61a,b	20.41 ± 7.55
Lng (mm)					<0.001	0.669	<0.001	0.575	<0.001	0.511
	Week0	519.51 ± 105.54	582.20 ± 85.69	545.79 ± 98.21
	Week16	194.70 ± 83.76a,c	227.52 ± 113.06a,c	558.55 ± 90.29
	Week20	231.19 ± 85.79a,c	241.95 ± 97.73a,c	553.50 ± 8870
	Week24	278.14 ± 95.06a,c	278.43 ± 105.95a,c	518.98 ± 104.9
Area (cm2)					<0.001	0.362	0.002	0.304	0.072	0.108
	Week0	2.50 ± 1.15	2.28 ± 0.86	2.46 ± 0.91
	Week16	1.14 ± 0.97a,c	1.25 ± 0.94a,c	2.17 ± 0.71
	Week20	1.40 ± 0.81a,c	1.39 ± 0.81a,c	2.05 ± 1.00
	Week24	1.58 ± 0.71a,c	1.69 ± 0.93b	2.10 ± 1.10
D-ap (mm)					<0.001	0.401	<0.001	0.377	<0.001	0.232
	Week0	41.15 ± 6.12	40.07 ± 7.55	38.96 ± 9.50
	Week16	25.88 ± 8.95a,c	21.54 ± 7.38a,c	37.98 ± 7.02
	Week20	29.17 ± 8.47c	24.69 ± 8.15a,c	38.40 ± 7.14
	Week24	29.63 ± 10.19c	25.70 ± 9.06a,c	39.43 ± 9.65
D-ml (mm)					<0.001	0.418	<0.001	0.401	<0.001	0.289
	Week0	39.33 ± 8.85	41.75 ± 6.24	38.96 ± 9.50
	Week16	25.40 ± 9.83a,c	30.52 ± 14.98a,c	36.16 ± 8.72
	Week20	28.96 ± 10.47a,c	35.66 ± 17.25a,c	33.86 ± 5.98
	Week24	36.17 ± 10.22b	36.36 ± 17.68b	35.80 ± 10.12
V-ap (mm/s)					<0.001	0.405	0.005	0.269	0.045	0.119
	Week0	13.92 ± 2.68	12.69 ± 2.11	12.62 ± 3.45
	Week16	7.93 ± 2.72a,c	7.80 ± 2.84a,c	10.31 ± 3.07
	Week20	9.53 ± 2.33a,c	8.91 ± 3.10a,c	10.13 ± 3.32
	Week24	9.39 ± 2.11a,c	9.39 ± 2.25a,c	10.54 ± 3.61
V-ml (mm/s)					<0.001	0.376	<0.001	0.358	<0.001	0.213
	Week0	7.48 ± 1.11	7.28 ± 1.61	7.08 ± 1.72
	Week16	4.71 ± 1.62a,c	3.91 ± 0.92a,c	6.91 ± 1.27
	Week20	5.30 ± 1.53a,c	4.48 ± 1.36a,c	6.98 ± 1.29
	Week24	5.38 ± 1.85a,c	4.67 ± 1.41a,c	7.17 ± 1.75

Abbreviations: Time, the single-leg stance time; Lng, the total length of the COP trajectories; Area, the 95% confidence ellipse area of the COP movements; D-ap, the maximal displacement of the COP in the anterior–posterior direction; D-ml, the maximal displacement of the COP in the medial–lateral direction; V-ap, the mean AP total excursion velocities; V-ml, the mean ML total excursion velocities.

^aDenotes significant difference compared with the week₀ value within each group.

^bDenotes significant difference compared with the week₁₆ value within each group.

^cDenotes significant difference compared with the control group.