ArticleBMC geriatrics2026
Determining the minimal clinically important difference for EQ-5D-5L scores in patients undergoing primary total knee arthroplasty.
Article in BMC geriatrics, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundTotal Knee Arthroplasty (TKA) is a common procedure for knee osteoarthritis, but the Minimal Clinically Important Difference (MCID) for the EQ-5D-5L scale in TKA patients is not established. This study aims to determine the MCID for EQ-5D-5L in TKA patients.
methodsA prospective study with 573 TKA patients was conducted. EQ-5D-5L were completed preoperatively and 1-year postoperatively. The MCID was calculated using anchor-based, distribution-based, and ROC curve methods.
resultsThe MCID for the EQ-5D-5L index was 0.103 (anchor-based), 0.099 (distribution-based), and 0.09 (ROC). For EQ-VAS, the MCID values were 8.55 (anchor-based), 7.315 (distribution-based), and 6.912 (ROC). Significant improvements in both scores were observed postoperatively (p < 0.001).
conclusionThe MCID values for EQ-5D-5L, determined by calculation method, offer complementary insights into recovery. These findings provide benchmarks to optimize postoperative care and enhance patient outcomes.
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