Tea consumption and the risk of biliary tract cancer: a systematic review and dose-response meta-analysis of observational studies.

ABSTRACT: Recent studies have shown that tea consumption is associated with the reduced incidence of some types of cancer, possibly including biliary tract cancer. However, the epidemiological evidences for the association with risk of biliary tract cancer are contradictory. Thus, we performed meta-analysis of published observational studies to assess the association between tea consumption and risk of biliary tract cancer. Relevant studies were identified by searching PubMed, EMBASE, and ISI Web of Science published before October 2016. The Newcastle-Ottawa Scale was used to evaluate the quality of included studies, and publication bias was evaluated using funnel plots, and Begg's and Egger's tests. This meta-analysis includes eight studies comprising 18 independent reports. The incidence of biliar

SUBMITTER: Xiong J 

PROVIDER: S-EPMC5503640 | biostudies-literature | 2017 Jun

REPOSITORIES: biostudies-literature