%0 Journal Article %T 支持向量机预测食管鳞癌患者术后生存期 %A 刘瑞敏 %A 张天 %A 晁玮霞 %A 朱晗 %A 王广超 %A 王明 %A 谷娟 %A 贺红梅 %A 赵云岗 %A 韩大正 %A 马瑾 %A 马远方 %A 魏书堂 %A 齐义军 %J 肿瘤防治研究 %D 2015 %R 10.3971/j.issn.1000-8578.2015.08.004 %X 摘要 目的 应用支持向量机(support vector machine, SVM)建立食管鳞状细胞癌(esophageal squamous cell carcinoma, ESCC)术后生存期预测模型并评估该模型判断ESCC生存期的效能。方法 随访168例接受根治性手术治疗的ESCC患者,分析ESCC临床病理特征和14-3-3σ、热休克蛋白gp96、巨噬细胞移动抑制因子(migrationinhibitory factor, MIF)等3个蛋白的表达规律与ESCC生存期的相关性;应用Matlab软件进行SVM运算,对训练组128例ESCC患者建立最优预后分类模型ESCC-SVM,并用测试组40例患者验证分类效率,ROC曲线分析ESCC-SVM及其他预后相关因子对高低死亡风险ESCC的识别能力。结果 ESCC-SVM由性别、T分期、组织学分级、淋巴结转移、TNM分期、14-3-3σ和gp96等7个最优属性组成,该模型区分训练组和测试组ESCC五年整体生存率的最大AUC分别为0.96、0.86、准确率分别为97.7%、90.0%,明显优于目前临床应用的TNM分期(准确率分别为62.5%、67.5%)及其他各临床病理属性。Cox多因素比例风险回归模型分析发现年龄、T分期、gp96和ESCC-SVM是影响ESCC术后生存期的独立因素。ESCC-SVM与性别、T分期、组织学分级、淋巴结转移、TNM分期和14-3-3σ均显著相关。结论 本研究建立的ESCC-SVM为预后评估、临床治疗方案选择及个体化治疗提供了理论依据 %K 食管鳞状细胞癌 %K 支持向量机 %K 预后 %K 14-3-3&sigma %K 热休克蛋白gp96 %K 巨噬细胞移动抑制因子 %K Clinical Analysis of Radiotherapy Combined with Cisplatin-based Chemotherapy for Locally Advanced Esophageal Squamous Cell Carcinoma %K Relationship Between NF-κB and Epithelial-to-mesenchymal Transition of Radiationinduced Human Esophageal Carcinoma Cells %K Effect of Gene Silencing of RNF2 on Radiosensitivity of Esophageal Carcinoma Cells %K Expression and Clinical Significance of Stem Cells Gene Lgr5 in Esophageal Squamous Cell Carcinoma Tissues %K Department of Thoracic Surgery %K Zhejiang Cancer Hospital %K Hangzhou 310022 %K China %K Effects on Cell Proliferation %K Invasion and Migration of Esophageal Adenocarcinoma by Inhibition of Notch and PI3K /Akt Pathway %K Epidemiologic Investigation on Mortality Due to Esophagus Cancer in Residents in Xiamen %K 2005-2014 %K Effect of GANT61 on Apoptosis of Esophageal Squamous Carcinoma Cells and Its Mechanism %K Prognosis Factors for Patients with Stage pT3N0M0 Thoracic Esophageal Squamous Cell Carcinoma after Radical Resection %K Expression of EZH2 and H3K27me3 in Esophageal Squamous Cell Carcinoma and Their Significance %K Expression of DMRT2 in Esophageal Squamous Cell Carcinoma Tissues and Related Clinical Significance %K Relationship of Secreted Protein Acidic and Rich in Cysteine Protein Expression with Prognosis of Postoperative Patients with Esophageal Squamous Cell Carcinoma %K Metastasis?associated Lung Adenocarcinoma Transcript1(MALAT1) Expression in Middle Thoracic Esophageal Squamous Cell Cancer Tissues and Its Relationship with Prognosis %K Relationship Between Lymphocyte Nadir and Radiotherapy Efficacy or Prognosis of Patients with Esophageal Carcinoma %K Comparison of 6th and 7th Editions of AJCC/UICC TNM Staging for Esophageal Cancer#br# Patients Received Radiotherapy %U http://www.zlfzyj.com/CN/abstract/abstract8557.shtml