2022
DOI: 10.1001/jamadermatol.2022.3511
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Credibility and Generalization of the Minimally Important Difference Concept in Dermatology

Abstract: ImportanceThe minimally important difference (MID) represents the point at which a difference in an outcome measure (eg, Dermatology Life Quality Index) is important enough that it warrants a change in treatment, and, to the authors’ knowledge, the robustness and limitations of MIDs have not been thoroughly evaluated in skin diseases. The MID is increasingly used in clinical trials to demonstrate that an intervention is worthwhile for patients; furthermore, MIDs also contribute to sample size calculations in c… Show more

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Cited by 2 publications
(1 citation statement)
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“…Relatively few studies have thoroughly assessed the robustness and limitations of MID in dermatology. 36 Assessing patient-reported outcome measures from the patient's perspective is an essential strategy for determining the effectiveness of interventions. 37 The MID measures the slightest change in an outcome, which is the improvement or deterioration that patients consider important, and can be used as a reference point for judging the magnitude of a treatment effect in clinical trials 38 and reviews.…”
Section: Discussionmentioning
confidence: 99%
“…Relatively few studies have thoroughly assessed the robustness and limitations of MID in dermatology. 36 Assessing patient-reported outcome measures from the patient's perspective is an essential strategy for determining the effectiveness of interventions. 37 The MID measures the slightest change in an outcome, which is the improvement or deterioration that patients consider important, and can be used as a reference point for judging the magnitude of a treatment effect in clinical trials 38 and reviews.…”
Section: Discussionmentioning
confidence: 99%