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目的:通过对国内有关硒与胃癌关系研究的文献进行分析,了解目前国内相关研究现状,且为临床医生提供循征医学证据。方法:在中国知网、万方等数据库中检索有关硒与胃癌研究的文献,并运用循征医学评价方法——Jadad量表,对文献质量及目前研究情况进行分析。结果:经手工和电子数据库检索共得国内硒与胃癌关系研究的文献488篇,纳入研究的文献283篇,经Jadad量表对其进行评价,得到0分的文献共271篇(95.76%),1分的文献共11篇(3.89%),2分的文献1篇(0.35%),大于3分的文献未见。结论:我国有关硒与胃癌关系的临床研究文献质量总体水平较低,有待进一步提高。
OBJECTIVE: To analyze the literature about the relationship between selenium and gastric cancer in China, and to understand the current status of related research in China and to provide evidence for clinical practice. Methods: The literature about selenium and gastric cancer was retrieved from databases such as CNKI and Wanfang, and the quality of the literature and the current research were analyzed by using the method of online evaluation of medical evaluation - Jadad scale. Results: A total of 488 articles about the relationship between selenium and gastric cancer were collected by manual and electronic databases, 283 articles were included in the study, and 271 articles (95.76%) were scored with 0 points by Jadad scale. There were 11 articles (3.89%) in 1 point, 1 article (0.35%) in 2 points and no more than 3 points. Conclusion: The overall quality of clinical research literature on the relationship between selenium and gastric cancer in our country is low, awaiting further improvement.