Test-Retest Reliability of Postural Control Assessment on Biodex BioSway™

Table 2

Descriptive summary.

		Descriptive summary
Condition		Sway Index (cm)	Equilibrium Score	COG A95 (cm^2)
EO, firm		0.34 (0.14)	95.81 (1.98)	0.40 (0.50)
EC, firm		0.57 (0.19)	92.39 (2.52)	0.79 (0.61)
EO, foam		0.58 (0.11)	92.70 (2.13)	1.24 (0.62)
EC, foam		1.22 (0.26)	83.67 (4.65)	5.13 (2.39)
HS, EC, firm		0.54 (0.19)	93.16 (2.44)	0.75 (0.46)
HS, EC, foam		2.10 (0.60)	70.75 (8.29)	13.26 (8.68)

EO: eyes open; EC: eyes closed; HS: head shake; cm: centimeters; COG A95: area of center of gravity 95% confidence ellipse.