瘤生长的随机效应模型用于研究间隔乳腺癌
Letizia Orsini1,2, Kamila Czene1, Keith Humphreys1,2
1Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden.
Statistics in medicine
|May 15, 2024
概括
乳腺癌查是常见的,但间隔癌仍然发生. 这项研究模拟瘤生长,以更好地理解和预测这些间隔癌症,改进查计划的评估.
科学领域:
- 在瘤学瘤学.
- 生物统计学 生物统计学
- 医疗成像医学成像
背景情况:
- 在欧洲,高比例的乳腺癌查参与与在查之间诊断的间隔癌症形成鲜明对比.
- 间隔癌症是查计划绩效的关键指标,经常被用作虚假阴性率的代理.
研究的目的:
- 开发和验证间隔乳腺癌比例的分析模型.
- 增强对瘤生长动态和查人群中检测过程的理解.
- 为评估乳腺癌查计划有效性提供一个工具.
主要方法:
- 连续瘤生长模型应用于侵袭性乳腺癌病例数据.
- 开发一个分析表达式的间隔乳腺癌比例,独立于背景癌症率.
- 将模型与在瑞典 (2001-2008) 诊断的3493例侵袭性乳腺癌病例相匹配.
主要成果:
- 该模型准确地估计了瘤大小在最后一次隔间癌症查时的分布.
- 模型预测的间隔乳腺癌发病率与瑞典和北欧队列中观察到的数据密切匹配.
- 建立了查间隔长度和间隔癌症比例之间的联系.
结论:
- 开发的分析表达式是评估基于人口的乳腺癌查绩效的宝贵工具.
- 持续瘤生长建模为间隔癌症动态提供了更深入的见解.
- 这些发现支持改进查策略和间隔,以尽量减少间隔癌症.
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