Table 2: The results of the single stance test (ST). Each variable in the first column is identified by a compound name which includes the eye condition and the name of the basic variable.

VariablesEyesUnitSexMean ± SDP level*
65–74 yrs75–84 yrs

EO_AuOpen%women85.8 ± 20.062.6 ± 27.3<0.001
men89.0 ± 17.473.6 ± 23.1<0.001
women85.8 ± 20.0ns
men89.0 ± 17.4
women62.6 ± 27.3<0.001
men73.6 ± 23.1

EO_SIOpen%women74.9 ± 20.452.7 ± 24.8<0.001
men76.6 ± 17.560.8 ± 21.7<0.001
women74.9 ± 20.4ns
men76.6 ± 17.5
women52.7 ± 24.8<0.001
men60.8 ± 21.7

EC_AuClosed%women50.5 ± 17.937.2 ± 19.0<0.001
men53.2 ± 19.246.2 ± 21.2<0.005
women50.5 ± 17.9ns
men53.2 ± 19.2
women37.2 ± 19.0<0.001
men46.2 ± 21.2

EC_SIClosed%women40.0 ± 14.629.0 ± 15.2<0.001
men41.4 ± 15.835.7 ± 17.2<0.005
women40.0 ± 14.6ns
men41.4 ± 15.8
women29.0 ± 15.2<0.001
men35.7 ± 17.2

EO: Eyes open; EC: Eyes closed; SI: Stability index; Au: Autonomy. The values are calculated considering the average between the two legs. *significance level according to t-test.