在元分析中,是否应该包括未公布的数据? 目前的定罪和争议
1Department of Medicine, McMaster University Faculty of Health Sciences, Hamilton, Ontario, Canada.
JAMA
|June 2, 1993
概括
大多数元分析不包括未公布的数据,但研究人员认为应该包括它,以获得全面的概述. 包括未公布的数据确保了可用信息的更有效的综合.
科学领域:
- 医学研究方法论医学研究方法论.
- 基于证据的医学是基于证据的医学.
- 科学文献综合的科学文献综合.
背景情况:
- 分析对于合成研究结果至关重要.
- 在元分析中包含未发表的数据是一个备受争议的话题.
- 评估未公布数据对研究综合学的影响很重要.
研究的目的:
- 为了确定未公布数据在元分析中包含的程度.
- 测量编辑,元分析师和方法学家关于包括未发表数据的意见.
- 探索对出版偏见和数据可访问性的态度.
主要方法:
- 1989年1月至1991年2月期间发表的元分析的文献综述.
- 一项对元分析作者,方法论作者和期刊编辑的横截面调查.
- 评估未公布数据的搜索,获取和纳入元分析.
主要成果:
- 30.7%的经过审查的元分析包括未发表的数据.
- 大多数元分析师和方法学家 (77.7%) 支持包括未发表的材料.
- 大多数元分析师和方法学家 (86.4%) 认为先前概述的包含不应该影响原始出版物.
结论:
- 将未发表的数据纳入元分析是有争议的,但大多数元分析师都支持.
- 系统地排除未公布数据可能会阻碍综合综合证据.
- 对已公布和未公布数据进行严格的方法评估对于有效的元分析至关重要.
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