Evaluating Minimal Important Differences for the FACT-Melanoma Quality of Life Questionnaire
Cormier JN et al. - The properties of the anchor instrument employed to derive MIDs directly affect resulting MID ranges and point values. When MIDs are offered as supportive evidence of a clinically meaningful change, the anchor instrument used to derive clinically meaningful thresholds of change should be clearly stated along with information supporting the choice of anchor instrument as the most appropriate for the domain of interest. [more...]
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