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。
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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