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Diet and Bladder Cancer: A Case–Control Study

Authors
  • Radosavljević, V.1
  • Janković, S.2
  • Marinković, J.3
  • Dokić, M.4
  • 1 Belgrade University, Institute of Preventive Medicine, Sonje Mariković 4, Zemun-Belgrade, 11080, Serbia and Montenegro , Zemun-Belgrade
  • 2 Belgrade University, Institute of Epidemiology, School of Medicine, Serbia
  • 3 Belgrade University, Institute for Statistics and Informatics, School of Medicine, Serbia
  • 4 Belgrade University, Institute of Urology and Nephrology, Clinical Center of Serbia, School of Medicine, Belgrade, Serbia , Belgrade
Type
Published Article
Journal
International Urology and Nephrology
Publisher
Springer-Verlag
Publication Date
Jun 01, 2005
Volume
37
Issue
2
Pages
283–289
Identifiers
DOI: 10.1007/s11255-004-4710-8
Source
Springer Nature
Keywords
License
Yellow

Abstract

To investigate possible relationships between diet and risk for bladder cancer in Serbia, the hospital-based case–control study was carried out. This study included 130 newly diagnosed bladder cancer patients and the same number of controls matched by sex, age (%±%2 years) and type of residence (rural or urban). Dietary information was obtained by using a food frequency questionnaire. Initial case–control comparisons were based on tertiles of average daily intake of control group. The odds ratios (ORs) were computed for each tertile, with the lowest tertile defined as the referent category. All variables (food items) significantly related to bladder cancer were included in multivariable logistic regression analysis. According to this analysis, risk factors for bladder cancer appeared to be consumption of liver (OR=6.60, 95%CI=1.89–23.03), eggs (OR=3.12, 95%CI=1.10–8.80), pork (OR=2.99, 95%CI=1.16–7.72), and pickled vegetable (OR=3.25, 95%CI=1.36–7.71). A protective effect was found for dietary intake of kale (OR=0.21, 95%CI=0.06–0.73), cereals (OR=0.19, 95%CI=0.06–0.62), tangerines (OR=0.21, 95%CI=0.07–0.68), cabbage (OR=0.27, 95% CI=0.11–0.68), and carrots (OR=0.15, 95%CI=0.05–0.41). The study indicated a potentially important role for dietary fat and pickled vegetables in bladder carcinogenesis. An inverse association was recorded between consumption of fruits, vegetables and cereals, and the development of bladder cancer.

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