Evidence map›Paper›PMID 41540486›Full record

ArticleEuropean journal of medical research2026

Association between the sarcopenia index and osteoarthritis: a cross-sectional and longitudinal study.

Xin Cai, Tianzuo Lan, Zong Jiang, Fang Tang, Haixia Fan

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Article in European journal of medical research, 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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1 · What the graph read from it

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2 · The registry

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3 · Its place in the literature

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4 · The record

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5 · Who and what money

Authors and funding

5 authors.

Xin CaiThe First People's Hospital of Guiyang, Guiyang, 550001, China.
Tianzuo LanThe First People's Hospital of Guiyang, Guiyang, 550001, China.
Zong JiangGuizhou University of Traditional Chinese Medicine, Guiyang, 550001, China.
Fang TangGuizhou University of Traditional Chinese Medicine, Guiyang, 550001, China.
Haixia FanDepartment of Sleep Center, First Hospital of Shanxi Medical University, Taiyuan, 030001, China. fhxj251@163.com.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundThe sarcopenia index (SI) is an accessible biomarker of muscle mass, yet its specific association with osteoarthritis (OA) remains unclear. This study aimed to evaluate this relationship both cross-sectionally and longitudinally in a large, representative cohort.

methodsWe analyzed data from the U.S. Health and Retirement Study, including 8720 participants for cross-sectional analysis (2016) and a longitudinal cohort of 3,745 participants free of OA at baseline followed through 2020. Baseline SI was the exposure, and self-reported prevalent and incident OA were the outcomes. Multivariable-adjusted logistic regression was used to assess the association with prevalent OA and Cox proportional hazards models were used for incident OA. The dose-response relationship was analyzed employing restricted cubic splines, and sensitivity analyses were conducted to confirm the stability of the findings.

resultsThe cross-sectional analysis demonstrated an inverse association between SI and prevalent OA. After multivariable adjustment, each 1-standard deviation (SD) increase in SI was associated with a lower likelihood of OA (OR = 0.921; 95% CI 0.866-0.980); a similar association was found for the highest versus lowest SI quartile (OR = 0.753; 95% CI 0.638-0.887). In the prospective analysis, 676 of 3,745 participants developed incident OA over a median 4.0 years. A higher baseline SI was associated with a lower likelihood of developing OA, both when assessed per 1-SD increase (HR = 0.891; 95% CI 0.813-0.977) and for the highest versus lowest quartile (HR = 0.771; 95% CI 0.597-0.995).

conclusionHigher levels of the SI were significantly associated with a reduced risk of OA. Further investigation is warranted to confirm this association and explore the underlying mechanisms.

Indexed as

HRSLongitudinal studyOlder adultsOsteoarthritisSarcopenia index

Identifiers

PMID41540486
PMCPMC12888522

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.