Gender differences in C‐reactive protein, interleukin‐1 receptor antagonist and adiponectin levels in the metabolic syndrome: a population‐based study

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Abstract
Aims  We explored gender differences in the association of high‐sensitivity C‐reactive protein (hs‐CRP), interleukin‐1 receptor antagonist (IL‐1Ra) and adiponectin with the metabolic syndrome (MetS) defined by the National Cholesterol Education Program (NCEP) and the International Diabetes Federation (IDF) criteria.Methods  A population‐based study of 923 middle‐aged subjects in Pieksämäki, East Finland.Results  The prevalence of the MetS according to the IDF and NCEP definitions was 38% and 34% in men (N = 405) and 34% and 27% in women (N = 497), respectively. hs‐CRP and IL‐1Ra levels were higher in subjects with the MetS compared with those without the MetS in both sexes (P < 0.001). The levels of hs‐CRP (P < 0.001) and IL‐1Ra (P = 0.0016 for NCEP criteria, P = 0.0028 for IDF criteria) were significantly higher in women with MetS than in men with MetS. In contrast, in subjects without MetS, no gender differences in the levels of hs‐CRP or IL‐1Ra were found.Conclusion  Women with MetS, defined by the IDF or NCEP criteria, had higher levels of hs‐CRP and IL‐1Ra than did men with MetS. Thus, low‐grade inflammation may contribute to the high risk of cardiovascular disease in women with MetS.

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