The gaps between capability ADL and performance ADL of stroke patients in a convalescent rehabilitation ward -based on the functional independence measure-

Abstract

[Purpose] The purpose of this study was to clarify the structure of activities of daily living and their characteristics based on the relationship with their difficulty levels and the gaps between the actual activity level achieved in daily living (performance ADL) and the potential activity level that can be performed under supervision (capability ADL). [Subjects] The subjects of this study were 255 stroke patients. [Methods] Performance ADL and capability ADL were evaluated using the functional independence measure, and the scores were converted to an interval scale by Rasch analysis to compare item difficulty and gaps. [Results] Scores of performance ADL were lower than those of capability ADL. The gaps between capability ADL and performance ADL on admission had not decreased at the time of discharge. ADL items could be categorized into three difficulty levels of high, moderate and low by interval scales. Some ADL items tended to develop gaps, while others did not. The correlation between difficulty level and the gap was extremely low, and ADL items of higher difficulty did not always have greater gaps. [Conclusion] We confirmed that the improvement of capability ADL precedes that of performance ADL in the process of ADL improvement.