Meta-Analysis
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World J Gastroenterol. Nov 14, 2014; 20(42): 15879-15898
Published online Nov 14, 2014. doi: 10.3748/wjg.v20.i42.15879
Dairy product consumption and gastric cancer risk: A meta-analysis
Yan Sun, Lian-Jie Lin, Li-Xuan Sang, Cong Dai, Min Jiang, Chang-Qing Zheng
Yan Sun, Lian-Jie Lin, Chang-Qing Zheng, Department of Gastroenterology, Shengjing Hospital of China Medical University, Shenyang 110022, Liaoning Province, China
Li-Xuan Sang, Cong Dai, Min Jiang, Department of Gastroenterology, First Affiliated Hospital of China Medical University, Shenyang 110001, Liaoning Province, China
Author contributions: Sun Y and Zheng CQ designed the study and analyzed the data; Sun Y, Lin LJ, Sang LX, Dai C, Jiang M and Zheng CQ performed the research; Sun Y wrote the manuscript; Lin LJ, Sang LX, Dai C and Jiang M contributed to editing and revising the manuscript.
Correspondence to: Chang-Qing Zheng, MD, PhD, Department of Gastroenterology, Shengjing Hospital of China Medical University, 39 Huaxiang Road, Tiexi District, Shenyang 110022, Liaoning Province, China. zhengchangqing88@163.com
Telephone: +86-24-9661526215
Received: December 20, 2013
Revised: April 2, 2014
Accepted: June 26, 2014
Published online: November 14, 2014
Core Tip

Core tip: Previously published epidemiologic studies have presented inconclusive results on the association between dairy product consumption and gastric cancer risk. Therefore, we performed a meta-analysis to further explore the possibility of an association. To the best of our knowledge, this is the first meta-analysis that explores the association between dairy product consumption and gastric cancer risk. We analyzed the effects of consuming individual dairy product and the total effects of all dairy product on gastric cancer risk, and we conducted subgroup analyses for the study design, sex, region, and adjustment factors. Our study offers new insight into gastric cancer prevention.