临床上可解释的诺莫图组合了身体组成和临床病理特征,用于预测高级固体瘤的一年生存率
Giulia Bruschi1, Francesco Paoloni2, Federica Pecci3,4
1Department of Information Engineering, Marche Polytechnic University, Ancona, Italy.
Scientific reports
|March 12, 2026
概括
预测免疫检查点抑制剂 (ICI) 治疗高级固体瘤患者的存活率是一项挑战. 将身体组成与临床数据相结合,可以改善1年整体存活率 (OS) 的预测,从而有助于个性化治疗.
科学领域:
- 在瘤学瘤学.
- 放射学 放射学是一门学科.
- 生物统计学 生物统计学
背景情况:
- 免疫检查点抑制剂 (ICI) 已经改变了固体瘤治疗.
- 接受ICI治疗的患者的整体存活率 (OS) 的预测因素仍然有限.
- 身体成分 (BC) 分析提供了潜在的预后见解.
研究的目的:
- 在接受ICI治疗的晚期固体瘤患者中开发1年OS的预测性诺姆图.
- 整合临床病理学 (CP) 特性与BC参数,以提高预测.
- 为了验证组合CP和BC指标的预后值.
主要方法:
- 对146名先进固体瘤患者进行了回顾性研究,这些患者接受了ICI治疗.
- 随机生存森林模型用于评估预后因素.
- 开发一个包含12个CP特征和一个新型BC分数的名ogram.
主要成果:
- 结合CP特征和BC分数,实现了最佳预测性能 (测试组中的AUC为0.73).
- 开发的诺米图表显示了良好的校准 (MAE 0.03) 和预测准确性 (AUC 0.76).
- 关键的BC参数包括肌内脂肪组织和内脏和皮下脂肪的比率.
结论:
- 将BC参数与CP特征相结合,可显著改善ICI治疗患者的1年OS预测.
- 开发的诺米图为个性化风险分层提供了有价值的工具.
- 这种方法可以帮助优化高级固体瘤的治疗计划.
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