建立和验证一个具有竞争力的风险模型来预测患有骨髓瘤的患者的癌症特异性生存率:一个基于人口的研究
Xin Wu1,2, Jinkui Wang1,2, Dawei He3,4
1Department of Urology, Children's Hospital of Chongqing Medical University, 2 ZhongShan Rd, Chongqing, 400013, Chongqing, China.
Journal of cancer research and clinical oncology
|August 28, 2023
概括
这项研究开发了一种名ogram来预测骨髓瘤存活率. 该模型准确地确定了影响癌症特定存活率的关键因素,有助于临床决策.
科学领域:
- 在瘤学瘤学.
- 生物统计学 生物统计学
- 流行病学 流行病学
背景情况:
- 骨髓瘤是一种普遍存在的原发性骨瘤,与患者预后不佳有关.
- 准确的预后工具对于治疗骨质肉瘤患者至关重要.
研究的目的:
- 开发和验证一种具有竞争力的风险模型,用于预测骨髓瘤患者的癌症特异性存活率 (CSS).
- 确定与骨髓瘤癌症特异性死亡率 (CSM) 相关的独立风险因素.
主要方法:
- 使用了来自美国监测,流行病学和最终结果 (SEER) 数据库的数据.
- 采用分发比例危险模型来分析CSM的风险因素.
- 使用C指数,AUC和校准曲线构建并验证了1年,3年和5年的CSS预测的竞争性风险名录.
主要成果:
- 在分析中包括2900名骨髓瘤患者.
- 确定了年龄,主要瘤部位,M期,手术,化疗和家庭收入中位数作为CSM的独立风险因素.
- 诺米图表显示出良好的预测准确性,C指数为0.756 (训练) 和0.737 (验证),AUC>0.7.7.
结论:
- 建立了一种可靠的竞争性风险模型,用于预测骨髓瘤患者的CSS.
- 诺基图为临床决策和后续策略制定提供了宝贵的支持.
- 通过严格的统计评估,模型的准确性和可靠性得到了证实.
相关概念视频
Cancer Survival Analysis
381
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...
381
Comparing the Survival Analysis of Two or More Groups
222
Survival analysis is a cornerstone of medical research, used to evaluate the time until an event of interest occurs, such as death, disease recurrence, or recovery. Unlike standard statistical methods, survival analysis is particularly adept at handling censored data—instances where the event has not occurred for some participants by the end of the study or remains unobserved. To address these unique challenges, specialized techniques like the Kaplan-Meier estimator, log-rank test, and...
222


