A minimal clinically important difference (MCID) is the smallest difference in an outcome measure that would be noticeable to a patient and be of clinical relevance.1 In a recent editorial published in JAMA Otolaryngology–Head & Neck Surgery, Kallogjeri et al2 explain how MCID can be used in the different phases of research design, result reporting, and the discussion of the importance of MCID to patient-centered care and evidence-based research.
Embry TW, Piccirillo JF. Minimal Clinically Important Difference Reporting in Randomized Clinical Trials. JAMA Otolaryngol Head Neck Surg. Published online July 16, 2020. doi:10.1001/jamaoto.2020.1586
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