应用队列理论来评估分拣算法的等待时间节省
Yee Lam Elim Thompson1, Gary M Levine1, Weijie Chen1
1The U.S. Food and Drug Administration, White Oak, MD USA.
概括
计算机辅助分组 (CADt) 软件可以减少放射科患者的等待时间. 这项研究使用排队理论来量化等待时间的节省,表明CADt在繁忙,人力不足的环境中最有效.
科学领域:
- 医学成像和信息学
- 医疗保健中的人工智能
- 运营研究 运营研究
背景情况:
- 人工智能 (AI) 在医疗保健方面表现有前途,计算机辅助分拣和通知 (CADt) 软件旨在优先考虑紧急的放射病例.
- 虽然CADt的部署改善了患者的治疗结果,但缺乏量化方法来评估其对等待时间的影响.
研究的目的:
- 量化评估通过在放射学工作流程中部署CADt软件实现的等待时间节省.
- 开发和验证评估人工智能驱动优先级工具性能的方法.
主要方法:
- 应用队列理论来建模放射学工作流程,有或没有CADt实现.
- 在各种AI性能下计算平均患者图像等待时间,放射科医生读取速度和图像到达率.
- 开发了一个模拟工具来验证理论结果,并为性能指标提供置信区间.
主要成果:
- 量化证明了可归因于CADt部署的等待时间减少.
- 发现CADt在大量,资源有限 (例如,人力不足) 的放射学阅读环境中最有效.
- 模拟结果与理论预测一致,证实了该方法的有效性.
结论:
- 排队理论为评估CADt系统节省时间的好处提供了一个强大的框架.
- CADt是优化放射学工作流程的宝贵工具,特别是在面临高需求和有限人员数量的环境中.
- 提出的评估方法可适应在各种服务行业评估其他AI优先级算法.
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