基于深度学习的低肢黑色素瘤患者的生存预测
Jinrong Zhang1, Hai Yu1, Xinkai Zheng1
1Department of Dermatology, The First Affiliated Hospital of Jinan University and Jinan University Institute of Dermatology, Guangzhou, 510630, China.
Discover oncology
|November 29, 2023
概括
与传统方法相比,深度学习模型DeepSurv显著改善了下肢黑色素瘤生存预测. 这一进展为患有这种罕见癌症的患者提供了更好的预后估计.
科学领域:
- 在瘤学瘤学.
- 医疗信息学 医疗信息学
- 生物统计学 生物统计学
背景情况:
- 下肢黑色素瘤 (LLM) 的生存率需要改进的预后工具.
- 监测,流行病学和最终结果 (SEER) 数据库为癌症研究提供了有价值的数据.
研究的目的:
- 评估DeepSurv模型在预测下肢黑色素瘤患者的长期存活率方面的有效性.
- 将DeepSurv的预测性能与Cox的比例危险 (CoxPH) 模型进行比较.
主要方法:
- 利用2000-2019年26243名下肢黑色素瘤患者的SEER数据.
- 开发并验证了DeepSurv模型与CoxPH模型相比,使用培训 (70%) 和测试 (30%) 队列.
- 使用对应指数 (C指数) 和受收机操作特征曲线 (AUC) 下的时间依赖区域来评估模型准确性.
主要成果:
- DeepSurv的C指数比CoxPH (0.766) 高 (0.852),这表明其预测准确度更高.
- 与CoxPH (0.795,0.767,0.847) 相比,DeepSurv在3,5和8年内显示出更好的AUC值 (0.872,0.858,0.847) 与CoxPH (0.795,0.767,0.847) 相比.
- 用CoxPH模型确定了患者因素 (年龄,阶段,治疗) 和生存率之间的显著相关性.
结论:
- 在预测下肢黑色素瘤患者存活率方面,DeepSurv模型明显优于CoxPH模型.
- DeepSurv提供了一个更准确,更有效的工具,用于估计下肢黑色素瘤的预后.
- 这种深度学习方法提高了LLM的生存预测准确度.
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