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The link between different polyunsaturated fatty acids (PUFAs) consumption and CVD in individuals with RA remains unclear. This study investigates the association between PUFAs intake and CVD prevalence among individuals with RA, using 2007\u20132018 National Health and Nutrition Examination Survey (NHANES) data.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>A cross-sectional analysis included 1,394 individuals with RA, and their PUFA intake was evaluated through 24-h dietary recall interviews. Logistic regression models evaluated the relationship between PUFA intake and CVD, adjusting for various covariates. Subgroup analyses and dose\u2013response relationships were also explored.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>In models adjusted for age, gender and race, higher eicosapentaenoic acid (EPA) intake showed an inverse association with CVD prevalence. However, this association was attenuated and did not remain statistically significant after further adjustment for socioeconomic, lifestyle and clinical factors. A higher intake of linoleic acid (LA) and n-6 PUFAs was linked to an increased prevalence of CVD. In contrast, no significant association was found between other n-3 PUFAs and CVD prevalence. An \u201cL\u201d-shaped dose\u2013response pattern was observed in analyses adjusted for age, gender, and race, with a turning point at 64\u00a0mg\/day, but this pattern was not observed in fully adjusted models. No significant nonlinear relationships were observed for LA, other n-3 PUFAs or n-6 PUFAs.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>A higher intake of LA and n-6 PUFAs is positively associated with CVD prevalence. These findings suggest a potential link between specific dietary fatty acid composition and cardiovascular disease in RA, warranting further investigation to inform tailored nutritional recommendations.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1186\/s40001-026-04085-6","type":"journal-article","created":{"date-parts":[[2026,2,21]],"date-time":"2026-02-21T16:46:13Z","timestamp":1771692373000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Association between dietary polyunsaturated fatty acids and cardiovascular disease in individuals with rheumatoid arthritis"],"prefix":"10.1186","volume":"31","author":[{"given":"Danxuan","family":"Huang","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Peiyu","family":"Wu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yilan","family":"Chen","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shuping","family":"Zhong","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2026,2,21]]},"reference":[{"key":"4085_CR1","doi-asserted-by":"publisher","first-page":"2023","DOI":"10.1016\/S0140-6736(16)30173-8","volume":"388","author":"JS Smolen","year":"2016","unstructured":"Smolen JS, Aletaha D, McInnes IB. 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