COX regression model was established to analyze the peaks of the metastasis and relapse, and the life curves of patients.
建立COX回归模型分析肿瘤转移复发高发期和生存曲线。
Methods The prognosis of 37 patients with colorectal cancer and synchronous liver metastasis who received simultaneous resection were analyzed by multi-factorial logistic regression analysis.
方法采用多因素回归分析方法回顾性分析3 7例大肠癌伴肝转移患者行同期切除的临床资料；
The rate of relapse-metastasis and disease free survival for two groups were observed. 9 possible factors influencing disease free survival were selected to analyze with COX Regression model.
选择9个可能对大肠癌术后无病生存产生影响的因素，通过COX模型进行多因素分析。
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