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Interleukin-8 is associated with increased total mortality in women but not in men-findings from a community-based cohort of elderly.
Dalarna University, School of Education, Health and Social Studies, Medical Science. Uppsala universitet.ORCID iD: 0000-0002-6933-4637
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2015 (English)In: Annals of Medicine, ISSN 0785-3890, E-ISSN 1365-2060, Vol. 47, no 1, 28-33 p.Article in journal (Refereed) Published
Abstract [en]

Objective. To elucidate the association among circulating IL-8 and total mortality in a cohort of elderly, and to explore potential sex differences in the observed association. Methods. The Prospective Investigation of the Vasculature in Uppsala Seniors (PIVUS) is a cohort of 70-year-old men and women living in Uppsala, Sweden; baseline period: 2001-2004. IL-8 serum measurements were performed in 1003 participants. Results. In total, 61 men and 40 women died during follow-up (median 7.9 years). Baseline IL-8 concentrations were higher in women than in men (P = 0.03). In a multivariable model adjusting for age, established cardiovascular risk factors, and C-reactive protein, log-transformed standard deviation increments in IL-8 levels were weakly associated with an increased risk for total mortality (hazard ratio (HR) 1.12, 95% confidence interval (CI) 1.02-1.23, P < 0.05) in the whole cohort. Stratified analysis revealed an association in women (HR 1.18, 95% CI 1.06-1.30, P < 0.01) but not in men (HR 0.98, 95% CI 0.76-1.26). Conclusions. A weak association between IL-8 serum levels and an increased risk for mortality was observed. The prospective data support the role of IL-8 as a biomarker of interest; yet, further studies are warranted to elucidate validity of our finding and the possibility of a sex difference.

Place, publisher, year, edition, pages
2015. Vol. 47, no 1, 28-33 p.
National Category
Clinical Medicine
Research subject
Hälsa och välfärd
Identifiers
URN: urn:nbn:se:du-16609DOI: 10.3109/07853890.2014.962596ISI: 000349978400004PubMedID: 25302539OAI: oai:DiVA.org:du-16609DiVA: diva2:775977
Available from: 2015-01-05 Created: 2015-01-05 Last updated: 2015-05-22Bibliographically approved

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • chicago-author-date
  • chicago-note-bibliography
  • Other style
More styles
Language
  • de-DE
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