OBJECTIVES: To evaluate the learning effect of multiple administrations of the Sensory Organization Test (SOT) on performance and to begin to establish clinical meaningful change scores for the SOT. DESIGN: Descriptive case series. SETTING: University-affiliated clinic. PARTICIPANTS: Healthy young adults (6 men, 7 women; mean age, 24+/-4y). INTERVENTION: All subjects performed the standardized SOT using the SMART EquiTest 5 times over a 2-week period, and 1 month later. MAIN OUTCOME MEASURE: Composite and individual SOT test condition standardized equilibrium scores. RESULTS: Test-retest reliability (intraclass correlation coefficient model 2,3) of the composite (.67) and equilibrium score (range, .35-.79) were fair to good. Repeated-measures analysis of variance revealed a significant (P<.05) increase in the composite and equilibrium scores for conditions 4, 5, and 6 over the 5 sessions that plateaued after the third session, and were retained at 1 month. The 95% confidence interval for the composite score change from session 1 to session 4, the plateau of the learning effect, was 3.9 to 8.1. CONCLUSIONS: Although the findings of this study would indicate that multiple baseline measures are desirable for the more challenging conditions, a composite change of greater than 8 points would indicate change due to rehabilitation.
OBJECTIVES: To evaluate the learning effect of multiple administrations of the Sensory Organization Test (SOT) on performance and to begin to establish clinical meaningful change scores for the SOT. DESIGN: Descriptive case series. SETTING: University-affiliated clinic. PARTICIPANTS: Healthy young adults (6 men, 7 women; mean age, 24+/-4y). INTERVENTION: All subjects performed the standardized SOT using the SMART EquiTest 5 times over a 2-week period, and 1 month later. MAIN OUTCOME MEASURE: Composite and individual SOT test condition standardized equilibrium scores. RESULTS: Test-retest reliability (intraclass correlation coefficient model 2,3) of the composite (.67) and equilibrium score (range, .35-.79) were fair to good. Repeated-measures analysis of variance revealed a significant (P<.05) increase in the composite and equilibrium scores for conditions 4, 5, and 6 over the 5 sessions that plateaued after the third session, and were retained at 1 month. The 95% confidence interval for the composite score change from session 1 to session 4, the plateau of the learning effect, was 3.9 to 8.1. CONCLUSIONS: Although the findings of this study would indicate that multiple baseline measures are desirable for the more challenging conditions, a composite change of greater than 8 points would indicate change due to rehabilitation.
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