Association of the 36-Item Short Form Health Survey Physical Component Summary Score With Patient Satisfaction and Improvement 2 Years After Total Knee Arthroplasty.

The MCID is a more clinically oriented concept that attempts to go beyond statistically significant changes at the group level that may not be significant at the individual level to find the smallest difference between the questionnaire scores that the patient perceives to be beneficial. 13 , 22 Although Ferket et al 4 identified a preoperative SF-36 PCS cutoff based on cost-effectiveness only on score improvement, we further identified the cutoff that was associated with the individual patient experiencing MCID.

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