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| 1 | Helicobacter pylori infection and esophageal cancer risk:An updated meta-analysis显示文摘AIM:To clarify the association between Helicobacter pylori(H.pylori)infection and the risk of esophageal carcinoma through a meta-analysis of published data.METHODS:Studies which reported the association between H.pylori infection and esophageal cancer published up to June 2013 were included.The odds ratios(ORs)and corresponding 95%CIs of H.pyloriinfection on esophageal cancer with respect to health control groups were evaluated.Data were extracted independently by two investigators and discrepancies were resolved by discussion with a third investigator.The statistical software,STATA(version 12.0),was applied to investigate heterogeneity among individual studies and to summarize the studies.A meta-analysis was performed using a fixed-effect or random-effect method,depending on the absence or presence of significant heterogeneity.RESULTS:No significant association between H.pylori infection and esophageal squamous cell carcinoma(ESCC)risk was found in the pooled overall population(OR=0.97,95%CI:0.76-1.24).However,significant associations between H.pylori infection and ESCC risk were found in Eastern subjects(OR=0.66,95%CI:0.43-0.89).Similarly,cytotoxin-associated gene-A(CagA)positive strains of infection may decrease the risk of ESCC in Eastern subjects(OR=0.77,95%CI:0.65-0.92),however,these associations were not statistically significant in Western subjects(OR=1.26,95%CI:0.97-1.63).For esophageal adenocarcinoma(EAC)the summary OR for H.pylori infection and CagA positive strains of infection were 0.59(95%CI:0.51-0.68)and 0.56(95%CI:0.45-0.70),respectively.CONCLUSION:H.pylori infection is associated with a decreased risk of ESCC in Eastern populations and a decreased risk of EAC in the overall population. | Fa-Jun Xie Yi-Ping Zhang Qiu-Qing Zheng Hong-Chuan Jin Fa-Liang Wang Ming Chen Lan Shao De-Hong Zou Xin-Min Yu Wei-Min Mao | 2013 | World Journal of Gastroenterology2013，19，36： | 11 |
| 2 | 中国人群进食快对食管癌发病影响meta分析显示文摘目的探讨中国人群进食快对食管癌发病的影响,为食管癌的预防提供科学依据。方法检索中国知网数据库、万方数据库、Pub Med数据库和Web of Science数据库,并辅以手工检索和文献追溯法收集1980年1月—2017年2月公开发表的有关进食快与食管癌关系的相关文献;应用Stata 11.0软件对纳入的文献进行meta分析。结果最终纳入26篇文献(中文文献22篇,英文文献4篇),均为病例对照研究,累计病例组8 418例,对照组11 710例;Meta分析结果显示,中国人群进食快者食管癌的发病风险为非进食快者的2.518倍(OR=2.518,95%CI=2.024~3.131);亚组分析结果显示,在不同地区、不同对照来源、不同发表年份、不同文献来源中进食快者食管癌发病风险均高于非进食快者(均P<0.01);敏感性分析和发表偏倚检验结果显示,本次meta分析纳入的文献不存在发表偏倚,结果较为稳定。结论进食快会增加中国人群中食管癌的发病风险。 | 吕全军 崔晗 田亚兰 李倩文 薄亚聪 朱艺伟 游杰 崔玲玲 | 2018 | 中国公共卫生2018，34，4： | 10 |
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