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作者对1931～1960年在荷兰阿姆斯特丹大学医学中心因胃或十二指肠溃疡作胃部分切除术(BillrothⅠ或Ⅱ式)的2633例(除8例外)患者进行术后随访,直至死亡(176例)、联系中断(2例)或移民(41例)。1987年底最后随访时821例存活。作者将病例按性别、疾病、术时年龄、手术方式分组,算出整组及各分组的累积生存率,与荷兰一般人口的期望累积生存曲线进行比较。
The authors followed up 2633 patients (except 8 exceptions) who underwent partial gastrectomy (Billroth I or II) for gastric or duodenal ulcers from 1931 to 1960 at the University of Amsterdam Medical Center in the Netherlands until death (176 cases) ), contact interruption (2 cases) or immigration (41 cases). At the final follow-up at the end of 1987, 821 cases survived. The authors grouped cases by gender, disease, age at the time of surgery, and surgical methods to calculate the cumulative survival rate of the entire group and each subgroup, and compared the expected cumulative survival curve of the general population in the Netherlands.