慢性病的保险相关差异 医疗保险受益人的数据仓库共患病
Justin M Schaffer1, John J Squiers, Austin Kluis
1Baylor Scott & White, The Heart Hospital-Plano, 4708 Alliance Blvd, Plano, TX 75093.
The American journal of managed care
|November 25, 2025
概括
接受CABG的Medicare Advantage受益人记录的并发症较少,导致偏差的生存估计,当这种差异在分析中没有被考虑时.
科学领域:
- 医疗保健服务研究 医疗服务研究
- 生物统计学 生物统计学
- 心血管外科心血管外科
背景情况:
- 注册在医疗保险优势 (MA) 计划中的医疗保险受益人与传统医疗保险 (TM) 计划中的医疗保险受益人相比,有不同的记录共患病模式.
- 慢性疾病数据仓库 (CCW) 是医疗保险结果研究的关键数据来源,但其有关并发病的文档可能因保险类型而异.
研究的目的:
- 评估在接受冠状动脉旁路移植 (CABG) 的医疗保险受益人中,CCW中记录的并发症的流行率.
- 展示MA和TM计划之间的并发症记录的差异如何可以在结果研究中引入信息偏见.
主要方法:
- 在2008年至2019年期间接受CABG的1,158,701名医疗保险受益人的回顾性队列研究.
- 在MA和TM受试者之间比较CCW报告的并发症患病率.
- 使用重叠倾向得分权重进行风险调整,有或没有CCW并发症数据,以比较中位生存期.
主要成果:
- 在2008年至2019年期间,MA计划中CABG受益人的比例从17.5%增加到38.3%.
- 与TM注册者相比,MA注册者的CCW记录的并发症明显较少 (标准化平均差异为0.431).
- 包括CCW并发症在内的风险调整导致MA入学者 (9.52年) 与TM入学者 (10.91年) 相比,估计的中位生存时间大大降低,这与没有并发症数据的分析不同.
结论:
- 在接受CABG的MA和TM受益者之间,CCW记录的并发症患病率存在显著差异.
- 如果不考虑这些与保险相关的文档差异,可能会导致风险调整分析的重大偏差.
- 使用CCW数据的医疗保险成果研究必须解决这些差异,以避免偏见的治疗效果估计,并为准确的临床或政策决策提供信息.
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