机器学习模型将肝细胞癌患者在治愈切除后分为高、低复发或死亡风险组。

IF 4.4 3区 医学 Q2 GASTROENTEROLOGY & HEPATOLOGY
Jun-Jun Jia, Yu-Yang Wang, Xin-Yue Tan, Yu Nie, Shu-Sen Zheng, Hang-Jin Jiang
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引用次数: 0

摘要

背景:肝细胞癌根治性切除术后复发率高影响患者生存。目前的研究结合了关键的临床病理特征和分子标记来开发机器学习模型来预测复发和死亡的风险。我们的目的是个体化风险分层、术后管理策略,并最终改善肝细胞癌根治性切除患者的长期预后。方法:815例接受手术切除的HCC患者随机分为训练组(n = 652)和验证组(n = 163)。为了建立基于临床病理特征和分子生物标志物的高精度复发/死亡分类器,开发了四种不同的机器学习模型,包括Cox比例风险模型、广义线性模型、极端梯度增强(XGBoost)模型和随机生存森林(RSF)模型,并进行了全面比较。结果为无复发生存期(RFS)和总生存期(OS)。结果:糖尿病、白蛋白、肿瘤数量、肝癌直径、门静脉肿瘤血栓、出血量、错配修复蛋白2 (MSH2)、上皮膜抗原等因素与RFS显著相关,白蛋白、肝癌直径、MSH2、巴塞罗那临床肝癌分期与OS显著相关。RSF模型不仅分组HCC患者分为高-低概率复发组显著差异在5年复发概率率(训练队列:87.3%比51.5%,P < 0.0001;验证队列:75.9%比64.8%,P < 0.0001),而且分组HCC患者分为高和低概率死亡组显著差异在5年死亡概率率(训练队列:56.0%比15.3%,P < 0.0001;验证队列:50.0%比23.1%,P < 0.0001)。结论:RSF模型准确地将HCC患者分为高、低复发或死亡风险组,指导外科医生制定术后辅助治疗方案。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Machine learning model stratify hepatocellular carcinoma patient into high- and low-risk recurrence or death group post curative resection.

Background: The high recurrence rate of hepatocellular carcinoma (HCC) following curative resection affects patient survival. The present study combined critical clinicopathological features and molecular markers to develop machine learning models to predict the risk of recurrence and mortality. We aimed to individualize risk stratification, post-surgical management strategies, and ultimately improve long-term prognosis for HCC patients with curative resections.

Methods: A total of 815 HCC patients undergoing surgical resection were divided randomly into a training cohort (n = 652) and a validation cohort (n = 163). To build a high-accuracy recurrent/death classifier using clinicopathological characteristics and molecular biomarkers, four different machine learning models, including the Cox proportional risk model, generalized linear model, extreme gradient boosting (XGBoost) model, and random survival forest (RSF) model, were developed and comprehensively compared. The outcomes were recurrence-free survival (RFS) and overall survival (OS).

Results: Factors including diabetes, albumin, tumor numbers, HCC diameter, portal vein tumor thrombus, blood loss, mismatch repair protein 2 (MSH2), and epithelial membrane antigen were significantly associated with RFS, while albumin, HCC diameter, MSH2, and Barcelona Clinic Liver Cancer (BCLC) stage were significantly associated with OS. The RSF model not only grouped HCC patients into high- and low-probability recurrence groups with significant differences in 5-year recurrence probability rate (training cohort: 87.3 % vs. 51.5 %, P < 0.0001; validation cohort: 75.9 % vs. 64.8 %, P < 0.0001), but also grouped HCC patients into high- and low-probability death groups with significant differences in 5-year death probability rate (training cohort: 56.0 % vs. 15.3 %, P < 0.0001; validation cohort: 50.0 % vs. 23.1 %, P < 0.0001).

Conclusions: The RSF model accurately stratified HCC patient into high- and low-risk recurrence or death groups, which guides the surgeons to plan adjuvant therapy after surgery.

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来源期刊
CiteScore
5.40
自引率
6.10%
发文量
152
审稿时长
3.0 months
期刊介绍: Hepatobiliary & Pancreatic Diseases International (HBPD INT) (ISSN 1499-3872 / CN 33-1391/R) a bimonthly journal published by First Affiliated Hospital, Zhejiang University School of Medicine, China. It publishes peer-reviewed original papers, reviews and editorials concerned with clinical practice and research in the fields of hepatobiliary and pancreatic diseases. Papers cover the medical, surgical, radiological, pathological, biochemical, physiological and historical aspects of the subject areas under the headings Liver, Biliary, Pancreas, Transplantation, Research, Special Reports, Editorials, Review Articles, Brief Communications, Clinical Summary, Clinical Images and Case Reports. It also deals with the basic sciences and experimental work. The journal is abstracted and indexed in SCI-E, IM/MEDLINE, EMBASE/EM, CA, Scopus, ScienceDirect, etc.
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