What is considered to be a clinically important change for the QuickDASH?
A. At present, we do not have values for the Minimal Detectable Change (MCD) or Minimal Clinical Important Difference (MCID) for the QuickDASH that have specifically been validated. We do have the reliability coefficeients (ICC = 0.94) which would result in a MDC95 = 15.8 and MDC90 =13.2 based on a standard deviation of 23.2. MCID will vary depending on method, and by and large will approximately equal or be less that the MDC95. As such, the MDC95 could be a reasonable surrogate.
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