Reliability and validity of the Chinese (Queen Mary Hospital, Hong Kong version) of the Disabilities of the Arm, Shoulder and Hand on patients with upper extremity musculoskeletal disorders in Hong Kong.
Rebecca K Y Chan, Y C Leung, Frankie K L Leung and 4 others
PMID 31217763WHAT IT FOUND
For Hong Kong Cantonese-speaking patients with upper-limb problems, the Chinese DASH measured disability and work consistently and related to quality of life.
The sports/performing arts module was less clear.
Key findings
01The main DASH disability/symptom module gave consistent item scores and similar scores when repeated after one week.
02The main disability/symptom module and the work module showed significant relationships with quality-of-life scores for physical functioning, social functioning and pain.
03The optional sports/performing arts module had weaker support, because only 42 patients completed it without missing items and its correlation with SF-36 was not statistically significant.
STILL TO COME
How it was doneWhat they foundWhat it means for OTs
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What it does not show
Convenience sampling from one occupational therapy department may not represent all upper-limb patients in Hong Kong. Four patients were excluded from DASH-DS internal consistency because more than three items were missing. The sports/performing arts module had only 42 analysable responses and 23 repeat measurements, and its correlations with SF-36 were not significant. The study did not test responsiveness, so it does not show whether the questionnaire changes when patients improve or worsen.
The easy way to misread this
Do not read this as proof that the Chinese DASH detects treatment change. The study tested consistency and association with quality of life, not responsiveness, and the sports/performing arts module was not significantly related to SF-36.