Oncotarget

Research Papers:

Does beer, wine or liquor consumption correlate with the risk of renal cell carcinoma? A dose-response meta-analysis of prospective cohort studies

Xin Xu _, Yi Zhu, Xiangyi Zheng and Liping Xie

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Oncotarget. 2015; 6:13347-13358. https://doi.org/10.18632/oncotarget.3749

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Abstract

Xin Xu1, Yi Zhu1, Xiangyi Zheng1, Liping Xie1

1Department of Urology, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China

Correspondence to:

Liping Xie, e-mail: xielp@zju.edu.cn

Keywords: alcohol, renal cell carcinoma, epidemiology, risk factor, meta-analysis

Received: February 24, 2015     Accepted: April 15, 2015     Published: April 29, 2015

ABSTRACT

Despite plenty of evidence supports an inverse association between alcohol drinking and risk of renal cell carcinoma (RCC), sex-specific and beverage-specific dose-response relationships have not been well established. We examined this association by performing a systematic review and meta-analysis of prospective studies. Studies were identified by comprehensively searching PubMed and EMBASE databases through February 21, 2015. Categorical and dose-response meta-analyses were conducted to identify the effects of alcohol on RCC. A total of eight publications (including seven cohort studies and one pooled analysis of 12 cohort studies) were eligible for this meta-analysis. Dose-response analysis showed that each 5 g/day increment of alcohol intake corresponded to a 5% decrease in risk of RCC for males and 9% for females. Alcohol intakes from wine, beer, and liquor were each associated with a reduced risk of RCC. When these associations were examined separately by gender, statistically significant inverse associations were restricted to alcohol from wine among females (RR = 0.82, 95% CI 0.73–0.91) and to alcohol from beer and from liquor among males (RR = 0.87, 95% CI 0.83–0.91 and RR = 0.95, 95% CI 0.92–0.99, respectively). In conclusion, there exist gender-specific and beverage-specific differences in the association between alcohol intake and RCC risk.


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