Psoriasis, cardiovascular risk factors and metabolic disorders: sex‐specific findings of a population‐based study

Abstract

Background Scientific evidence suggests an association between psoriasis and cardiovascular and metabolic diseases. However, there are hardly any sex‐specific results from population‐based studies reporting the prevalence of cardiovascular risk factors in patients with psoriasis and point estimates of the association between psoriasis and cardiovascular and metabolic disorders. Objective Aims are to evaluate the sex‐specific prevalence of psoriasis and cardiovascular risk factors, and to estimate sex‐specific associations between psoriasis and diabetes type 2 (DM) and metabolic syndrome (MetS). Methods We used data of 3723 participants (45–75 years, 54.1% women) without coronary heart disease and missing data (psoriasis, DM, MetS) from the Heinz Nixdorf Recall study. Standardized information on health outcomes and risk factors was assessed. We performed descriptive statistics and multiple regression analyses to calculate prevalence rate ratios (PR) and 95% confidence intervals (95% CI). Results The prevalence of psoriasis was 3.8% (n = 143), with no differences between sex. We observed more often metabolic and cardiovascular risk factors in women with psoriasis compared to women without psoriasis. Interestingly, in men, this pattern was partly reversed. Multiple regression analyses revealed distinctly elevated PRs for DM for both women and men with psoriasis (fully adjusted PR: 2.43; 95% CI: 1.17–5.07, resp. 2.09; 1.16–3.76). Regarding the MetS, the results were inconsistent, showing a positive association between psoriasis and MetS in women (1.84; 1.14–2.98), but a negative association in men, even though with a wide 95% CI (0.69; 0.42–1.12). Conclusion The results of our cross‐sectional, population‐based analysis show a distinct association between psoriasis and DM, whereas for the MetS the results contrasted between men and women, translating in women with MetS showing a higher and in men a lower chance to be psoriatic. Our results emphasize the urgent need for sex‐specific research, studying the effects of psoriasis on metabolic disorders as well as effective sex tailored prevention measures.

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