诊断测试的准确性读取和没有临床信息:一个系统的审查
1Screening and Test Evaluation Program, School of Public Health, University of Sydney, Sydney, Australia.
JAMA
|October 7, 2004
概括
阅读诊断测试与临床信息提高了准确性. 这项对16项研究的元分析证实,提供上下文可以提高测试性能,这证明了当前临床实践的合理性.
科学领域:
- 医学诊断 医学诊断 医学诊断
- 基于证据的医学基于证据的医学.
- 临床决策 临床决策
背景情况:
- 诊断测试的准确性可能会受到临床信息的可用性的影响.
- 目前的医疗实践往往涉及阅读测试与患者的背景,但支持这一点的证据是有限的.
研究的目的:
- 系统地评估诊断测试的准确性是否不同,当测试被解释与对比没有临床信息.
- 提供证据来支持或反驳在试验解释中使用临床信息的常见做法.
主要方法:
- 在MEDLINE和Web of Science数据库中进行了全面的文献搜索 (1966-2003).
- 包括的研究比较了测试准确性 (灵敏度,特异性,ROC曲线),使用相同的读者解释具有和没有临床信息的测试.
- 系统地进行数据提取和分析,并进行独立审查以确保可靠性.
主要成果:
- 十六项研究符合纳入标准,使用实际与构造的临床信息有所不同.
- 总的来说,发现临床信息可以提高诊断测试读数的准确性.
- 没有研究报告了精度的显著下降;有时在敏感性方面有所改善,但不影响特异性.
结论:
- 在阅读诊断测试时使用临床信息的做法得到了证据的支持.
- 未来的研究应该专注于优化临床信息的交付和评估其准确性.
- 建议扩展研究,包括更广泛的诊断测试和详细的ROC曲线分析.
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