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相关概念视频

Cancer Survival Analysis01:21

Cancer Survival Analysis

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Cancer survival analysis focuses on quantifying and interpreting the time from a key starting point, such as diagnosis or the initiation of treatment, to a specific endpoint, such as remission or death. This analysis provides critical insights into treatment effectiveness and factors that influence patient outcomes, helping to shape clinical decisions and guide prognostic evaluations. A cornerstone of oncology research, survival analysis tackles the challenges of skewed, non-normally...
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膀癌发病率的长期趋势使用协调阶段变量:基于SEER的研究

Praveen Kumar1,2, Jennifer Ruhl3, Tanvi V Chiddarwar4

  • 1Department of Health Policy and Management, School of Public Health, University of Pittsburgh, Pittsburgh, Pennsylvania.

Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology
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概括

经过修订的膀癌协调阶段变量提供了更顺的发病率趋势和更好的数据完整性. 这种新系统揭示了流行病学结果中以前隐藏的模式,改进了癌症注册表分析.

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科学领域:

  • 流行病学 流行病学
  • 癌症注册科学 癌症注册科学
  • 在瘤学瘤学.

背景情况:

  • 疾病定义编码变化影响膀癌登记册趋势.
  • 监测,流行病学和最终结果 (SEER) 计划引入了一种协调的分期变量,以改进长期趋势分析.
  • 本研究使用协调阶段变量评估膀癌发病率趋势.

研究的目的:

  • 用SEER协调阶段变量分析膀癌发病率趋势.
  • 为了比较从协调阶段变量推导出的趋势与历史阶段变量.
  • 评估阶段变量修订对流行病学数据的清晰性和连续性的影响.

主要方法:

  • 利用了SEER 12注册数据,用于1992年至2019年间诊断的膀癌病例.
  • 使用协调阶段变量与原始阶段变量 (SEER修改AJCC第3版,衍生AJCC第6版,衍生SEER组合,衍生EOD 2018) 的比较发病率趋势.
  • 员工加入点回归分析以识别和分析趋势变化.

主要成果:

  • 协调的分期系统显著减少了缺失的淋巴结和转移阶段数据.
  • 阶段系统之间的趋势有所不同,协调系统的不连续性较少.
  • 自1992年以来,与原始系统的趋势相反,在协调的分期系统中观察到Tis (in situ癌症) 发病率每年稳定下降4%.

结论:

  • 修订后的协调阶段变量显示了Tis发病率的持续下降和更平稳的时间趋势.
  • 协调的分期系统提高了数据的可用性,并减少了与原始变量相比的趋势不连续性.
  • 修订后的分期变量提供了对膀癌的流行病学时间趋势的更细致的理解.