共同的措施或共同的指标? 基于IRT的常用指标的值
1Department of Epidemiology and Data Science, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, the Netherlands. cb.terwee@amsterdamumc.nl.
Journal of patient-reported outcomes
|November 20, 2023
概括
协调结果测量是至关重要的. 基于物件响应理论 (IRT) 的指标提供了一种优越的间隔缩放方法,用于比较患者报告的结果指标 (PROMs) 与传统的T分数.
科学领域:
- 健康研究成果研究结果
- 心理测量 心理测量 心理测量
- 临床信息学是一种临床信息学.
背景情况:
- 患者报告的结果测量 (PROM) 对于临床实践和研究至关重要.
- 目前用于协调PROM分数的方法,如T分数,在可比性和可扩展性方面存在重大限制.
- 需要一个强大的,共同的指标来促进各种PROM数据的解释和比较.
研究的目的:
- 评估T分数的局限性,以协调PROM结果.
- 倡导采用基于物品响应理论 (IRT) 的指标作为衡量结果的优越常用指标.
- 突出IRT在创建不同仪器中可比的,间隔缩放的得分方面的优势.
主要方法:
- 该研究讨论了T分数和IRT的理论基础.
- 它分析了T分数的局限性,包括缺少间隔缩放和参考组依赖性.
- 它解释了IRT如何通过将项目放在共同的指标上来克服这些限制.
主要成果:
- 从顺序项目的原始总分得出的T分数不是真正的间隔缩放,并且在不同的仪器或参考组中缺乏可比性.
- 测试T分数取决于参考人群,需要定期更新,这限制了它们的长期效用.
- 基于IRT的指标提供了一个区间尺度,使得不同指标的得分可以直接比较,并促进了链接项目银行的发展.
结论:
- 与T分数相比,基于IRT的指标提供了更科学,更实用的解决方案来协调结果测量.
- 普罗米斯倡议成功地使用了IRT,证明了其在创建标准化健康结果测量方面的潜力.
- 建议采用基于IRT的指标,以实现未来成果测量和数据协调方面的进步.
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