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Br J Cancer. 2007 Oct 8;97(7):1005-8. Epub 2007 Aug 14.

Overweight, obesity and risk of liver cancer: a meta-analysis of cohort studies.

Author information

  • 1Division of Nutritional Epidemiology, The National Institute of Environmental Medicine, Karolinska Institutet, PO Box 210, Stockholm SE-17177, Sweden. susanna.larsson@ki.se

Abstract

Cohort studies of excess body weight and risk of liver cancer were identified for a meta-analysis by searching MEDLINE and EMBASE databases from 1966 to June 2007 and the reference lists of retrieved articles. Results from individual studies were combined using a random-effects model. We identified 11 cohort studies, of which seven on overweight (with a total of 5037 cases) and 10 on obesity (with 6042 cases) were suitable for meta-analysis. Compared with persons of normal weight, the summary relative risks of liver cancer were 1.17 (95% confidence interval (CI): 1.02-1.34) for those who were overweight and 1.89 (95% CI: 1.51-2.36) for those who were obese. This meta-analysis finds that excess body weight is associated with an increased risk of liver cancer.

PMID:
17700568
[PubMed - indexed for MEDLINE]
PMCID:
PMC2360408
Free PMC Article

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