TABLE 5.

ANCOVA analysis of postural sway variables for training group and non-training group during single leg stance without vision after 6 weeks with baseline measurement as covariate.

Outcome variables		Groups		ANCOVA (pre-test as covariate)
		AI-T (Mean ± SD)	AI-NT (Mean ± SD)	F statistics	P-values
AP excursion (cm)	Baseline	2.70 ± 0.77	2.52 ± 0.57
	Follow-up	2.27 ± 0.45	2.49 ± 0.75	6.03	0.017
ML excursion (cm)	Baseline	6.73 ± 2.35	5.56 ± 1.47
	Follow-up	5.02 ± 1.41	5.48 ± 1.96	11.28	0.001
AP velocity (cm/s)	Baseline	0.26 ± 0.09	0.25 ± 0.06
	Follow-up	0.23 ± 0.05	0.25 ± 0.08	3.13	0.081
ML velocity (cm/s)	Baseline	0.65 ± 0.24	0.56 ± 0.15
	Follow-up	0.48 ± 0.15	0.55 ± 0.20	10.19	0.002
AP RMS (cm)	Baseline	0.04 ± 0.01	0.05 ± 0.01
	Follow-up	0.04 ± 0.01	0.05 ± 0.01	9.71	0.003
ML RMS (cm)	Baseline	0.16 ± 0.05	0.12 ± 0.03
	Follow-up	0.11 ± 0.03	0.13 ± 0.03	27.46	< 0.001
95% ellipse area (cm2)	Baseline	0.17 ± 0.04	0.07 ± 0.02
	Follow-up	0.05 ± 0.02	0.07 ± 0.03	0.969	0.329