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European Journal of Nutrition

, Volume 53, Issue 8, pp 1591–1601 | Cite as

Body mass index and the risk of gout: a systematic review and dose–response meta-analysis of prospective studies

  • Dagfinn Aune
  • Teresa Norat
  • Lars J. Vatten
Review

Abstract

Purpose

Greater body fatness has been associated with increased risk of gout in several studies; however, the strength of the association has differed between studies, and it is not clear whether the association differs by gender. We conducted a systematic review and meta-analysis of prospective studies to clarify the association between adiposity and risk of gout.

Methods

PubMed and Embase were searched up to August 30, 2013. Summary relative risks (RRs) were calculated using a random effects model.

Results

Ten prospective studies of body mass index (BMI) and gout risk with 27,944 cases and 215,739 participants were included (median follow-up 10.5 years). The summary RR for a 5 unit increment was 1.55 [95 % confidence interval (95 % CI) 1.44–1.66, I 2 = 67 %] for all studies combined. The heterogeneity was explained by one study, which appeared to be an outlier. The summary RR per 5 BMI units was 1.62 (95 % CI 1.33–1.98, I 2 = 79 %) for men and 1.49 (95 % CI 1.32–1.68, I 2 = 30 %) for women, p heterogeneity = 0.72. The relative risks were 1.78, 2.67, 3.62, and 4.64 for persons with BMI 25, 30, 35, and 40 compared with persons with a BMI of 20. BMI in young adulthood, waist-to-hip ratio, and weight gain from age 21–25 to midlife were also associated with increased risk, but few studies were included in these analyses.

Conclusions

Greater body mass index increases risk of gout. Further studies are needed on adiposity throughout the life course, waist-to-hip ratio, and weight changes in relation to gout as there were few studies that had published on these exposures.

Keywords

Body mass index Waist-to-hip ratio Weight gain Gout Meta-analysis 

Notes

Acknowledgments

This project has been supported by the “Liaison Committee between the Central Norway Regional Health Authority (RHA) and the Norwegian University of Science and Technology (NTNU).” The funding agency had no role in the conception and design of the study, the planning or conduct of the analyses, writing or revision of the manuscript.

Conflict of interest

The authors declare that they have no conflict of interest.

Ethical standards

The manuscript does not contain clinical studies or patient data.

Supplementary material

394_2014_766_MOESM1_ESM.pdf (257 kb)
Supplementary material 1 (PDF 257 kb)

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Copyright information

© Springer-Verlag Berlin Heidelberg 2014

Authors and Affiliations

  1. 1.Department of Public Health, Faculty of MedicineNorwegian University of Science and TechnologyTrondheimNorway
  2. 2.Department of Epidemiology and Biostatistics, School of Public HealthImperial College LondonLondonUK

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