2021年至2022年在秘鲁医学期刊上发表的分析研究的统计特征:2021年至2022年在秘鲁医学期刊上发表的分析研究的统计特征:一项方法学研究
Natalia Nombera-Aznaran1, David Guevara-Lazo1, Daniel Fernandez-Guzman2
1Facultad de Medicina Humana, Universidad Peruana Cayetano Heredia, Lima, Perú.
PloS one
|July 3, 2024
概括
秘鲁医学期刊显示,分析研究中的统计报告缺陷. 关键问题包括缺少样本大小细节和对混变量的不充分控制,影响研究质量.
科学领域:
- 医学研究方法论医学研究方法论.
- 临床研究中的生物统计学
- 科学出版物质量评估科学出版物质量评估
背景情况:
- 统计分析对于医学研究的可信度至关重要.
- 低于最佳的统计方法可能会损害研究结果.
- 对分析方法的批判性评估提高了证据标准.
研究的目的:
- 检查秘鲁医学期刊中原始分析文章的统计特征.
- 识别统计报告和使用的方法中的潜在缺陷.
- 为改善研究质量和传播提供信息.
主要方法:
- 来自九个秘鲁医学期刊的313篇原始分析文章 (2021-2022) 的方法学研究.
- 评估的统计软件,样本大小计算,效果测量和混控制方法.
- 包括横截面研究和其他分析设计.
主要成果:
- 90.7%的人报告了统计软件,但78.3%的人省略了样本大小计算的细节.
- 描述性和双变量统计是常见的;关联的措施是不太常见的.
- 只有13.4%的人提出了经过调整的效果指标,并解释了混标准.
结论:
- 在秘鲁的分析研究中存在显著的统计报告缺陷.
- 报告的样本大小不足和缺乏混控制被注意到.
- 需要改进统计报告和研究人员与编辑之间的合作,以提高研究质量.
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