https://www.selleckchem.com/pr....oducts/bay-1000394.h
PURPOSE The Marx Activity Rating Scale (Marx Scale) is a commonly used activity-related patient-reported outcome which evaluates the highest activity level within the last year, whereas the Hospital for Special Surgery Pediatric Functional Activity Brief Scale (HSS Pedi-FABS) assesses highest activity level within the last month. This study aims to determine whether the different timeframes used for the common items of Marx Scale and HSS Pedi-FABS affect scores, and if so, to determine whether age or injury status affect this differ
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