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Beyond statistical significance: Embracing minimal clinically important difference for better patient care
Naveen Jeyaraman1,2, Madhan Jeyaraman1,3, Swaminathan Ramasubramanian4
1Department of Orthopaedics, ACS Medical College and Hospital, Dr MGR Educational and Research Institute, Chennai 600077, Tamil Nadu, India.
The minimal clinically important difference (MCID) is crucial for assessing patient-perceived treatment benefits. This review explores MCID
Area of Science:
- Medical research methodology
- Patient-centered outcomes
- Clinical trial analysis
Background:
- The minimal clinically important difference (MCID) bridges statistical significance and clinical relevance.
- It evaluates medical interventions from the patient's perspective.
- MCID ensures outcomes offer genuine clinical utility aligned with patient needs.
Purpose of the Study:
- To review the evolution, applications, and challenges of MCID.
- To emphasize MCID's necessity in patient-centered healthcare.
- To provide recommendations for standardizing MCID methods and enhancing patient involvement.
Main Methods:
- Comprehensive literature review of MCID evolution and applications.
- Analysis of anchor-based and distribution-based MCID calculation methodologies.
- Exploration of challenges in MCID application and interpretation.
Main Results:
- MCID has evolved significantly since the 1980s.
- Current applications span various medical specialties.
- Methodological variability and interpretation difficulties pose challenges.
Conclusions:
- Standardizing MCID calculation is recommended.
- Increased patient involvement in setting MCID thresholds is crucial.
- Future research should incorporate diverse global perspectives for patient-centered healthcare.
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