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K.H Tsai等综合1987～1998年间在其研究所中643例施行部分或根治性肾切除术的连续患者的材料。所有的病例在手术前应用Eastern Cooperative Oncology Group(ECOG)标准进行功能评定。肾细胞癌的级和期分别应用1997年美国癌症分级联合委员会(American Joint Committee on Cancer grading)和TNM(肿瘤、结节、转移)分期标准评定。随访患者(47±40)月(中位数87)。以Kaplan-Meier生存曲线确定所有患者组的5-年生存专率。单变量分析应用
K.H Tsai et al combined the data of 643 consecutive patients who underwent partial or radical nephrectomy at their institute from 1987 to 1998. All cases were preoperatively assessed using the Eastern Cooperative Oncology Group (ECOG) criteria. The grade and stage of renal cell carcinoma were assessed by the 1997 American Joint Committee on Cancer grading and TNM (tumor, nodule, metastasis) staging criteria respectively. Patients were followed up (47 ± 40) months (median, 87). The Kaplan-Meier survival curves were used to determine the 5-year survival of all patient groups. Univariate analysis applications