Clinical Study

Audiovisual Biofeedback-Based Trunk Stabilization Training Using a Pressure Biofeedback System in Stroke Patients: A Randomized, Single-Blinded Study

Table 3

Comparison of secondary measures within group and between groups .

VariablesExperimental group Control group Significance of change scores
BaselinePostChange scoreBaselinePostChange score

Static sitting balance ability
 EO-MLS (mm/s)2.114 (0.041)
 EO-APS (mm/s)2.148 (0.038)
 EO-VM (mm/s2)2.088 (0.043)
 EC-MLS (mm/s)2.256 (0.029)
 EC-APS (mm/s)2.479 (0.017)
 EC-VM (mm/s2)2.143 (0.038)
Dynamic sitting balance ability (cm)
 MFRT-forward3.474 (0.001)
 MFRT-unaffected2.632 (0.012)
 MFRT-affected2.960 (0.005)

Note. Values are expressed as mean ± standard deviation; EO: eye opened; EC: eye closed; MLS: medial-lateral speed; APS: anterior-posterior speed; VM: velocity moment; MFRT: modified functional reach test. difference within group.