Catherine R Carlile, Andrew Rees, Robert H Boyce, Phillip M Mitchell
Statistical Literacy in the Orthopaedic Trauma Population
Journal of orthopaedic trauma
disabilities arm shoulder hand dash outcome measure developed evaluate disability symptoms single multiple disorders upper limb one point many points time purpose purpose study evaluate reliability validity responsiveness dash group diverse patients compare results obtained jointspecific measures methods two hundred patients either wristhand shoulder problems evaluated use questionnaires treatment 172 86 reevaluated 12 weeks treatment eightysix patients also completed testretest questionnaire three five days initial baseline evaluation questionnaire package included dash brigham carpal tunnel questionnaire spadi shoulder pain disability index markers pain function correlations ttests dash measures used assess construct validity testretest reliability assessed using intraclass correlation coefficient summary statistics responsiveness described using standardized response means receiver operating characteristics curves correlations change dash score change scores measures standard response means used compare dash responsiveness brigham questionnaire spadi region results dash found correlate measures r 069 discriminate well example patients working p 00001 testretest reliability icc 096 exceeded guidelines responsiveness dash selfrated expected change comparable better jointspecific measures whole group region conclusions evidence provided validity testretest reliability responsiveness dash study also demonstrated dash validity responsiveness proximal distal disorders confirming usefulness across whole extremity