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PLoS One. 2013;8(2):e57475. doi: 10.1371/journal.pone.0057475. Epub 2013 Feb 28.

Metabolic factors associated with risk of renal cell carcinoma.

Author information

1
Department of Surgical and Perioperative sciences, Urology and Andrology, Umeå University, Umeå, Sweden. christel.haggstrom@urologi.umu.se

Abstract

Previous studies have shown that obesity and hypertension are associated with increased risk of renal cell carcinoma (RCC), but less is known about the association to other metabolic factors. In the Metabolic Syndrome and Cancer project (Me-Can) data on body mass index (BMI, kg/m2), blood pressure, and circulating levels of glucose, cholesterol, and triglycerides were collected from 560,388 men and women in cohorts from Norway, Austria, and Sweden. By use of Cox proportional hazard models, hazard ratios (HR) were calculated for separate and composite metabolic exposures. During a median follow-up of 10 years, 592 men and 263 women were diagnosed with RCC. Among men, we found an increased risk of RCC for BMI, highest vs. lowest quintile, (HR = 1.51, 95% CI 1.13-2.03), systolic blood pressure, (HR = 3.40, 95% CI 1.91-6.06), diastolic blood pressure, (HR = 3.33, 95% CI 1.85-5.99), glucose, (HR = 3.75, 95% CI 1.46-9.68), triglycerides, (HR = 1.79, 95% CI 1.00-3.21) and a composite score of these metabolic factors, (HR = 2.68, 95% CI 1.75-4.11). Among women we found an increased risk of RCC for BMI, highest vs. lowest quintile, (HR = 2.21, 95% CI 1.32-3.70) and the composite score, (HR = 2.29, 95% CI 1.12-4.68). High levels of the composite score were also associated with risk of death from RCC among both men and women. No multiplicative statistical or biological interactions between metabolic factors on risk of RCC were found. High levels of BMI, blood pressure, glucose and triglycerides among men and high BMI among women were associated with increased risk of RCC.

PMID:
23468995
PMCID:
PMC3585341
DOI:
10.1371/journal.pone.0057475
[Indexed for MEDLINE]
Free PMC Article

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