Assessment of Visual Reliance in Balance Control: An Inexpensive Extension of the Static Posturography

Table 1

Between group difference in postural parameters.

𝑡-statistic (𝑃 value)	Scene type
	Backward	Forward	Left	Right
LI0	0.92 (𝑃=0.37)	0.32 (𝑃=0.76)	1.00 (𝑃=0.34)	1.07 (𝑃=0.32)
LI1	2.18 (𝑃=0.043)	1.78 (𝑃=0.092)	2.07 (𝑃=0.053)	2.31 (𝑃=0.033)
LI1/LI0	3.54 (𝑃=0.002)	2.88 (𝑃=0.011)	1.94 (𝑃=0.071)	2.72 (𝑃=0.014)
𝑉𝑥1/𝑉𝑥0	3.04 (𝑃=0.007)	2.43 (𝑃=0.026)	1.86 (𝑃=0.082)	2.61 (𝑃=0.019)
𝑉𝑦1/𝑉𝑦0	3.32 (𝑃=0.004)	2.41 (𝑃=0.031)	2.15 (𝑃=0.047)	3.03 (𝑃=0.007)

LI₀—prestimulus LI parameter.
LI₁—intrastimulus LI parameter.
𝑉_𝑥0, 𝑉_𝑦0—prestimulus mean velocity in ML and AP direction.
𝑉_𝑥1, 𝑉_𝑦1—intrastimulus LI parameter in ML and AP direction.