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1970年2月～1992年11月，共收治青年女性原发乳腺癌（年龄＜30岁）90例，占同期病人的4．46％，其中84例在我院外科行手术治疗。非青年对照组599例。用Kaplan－Meier估计和Log－rank检验及Breslow检验对四个有显著影响的预后因素（临床分期、淋巴结情况、组织学类型、肿物大小）进行单因素分析和调整分析，结果表明青年乳腺癌死亡申显著高于非青年组病例。
From February 1970 to November 1992, a total of 90 young women with primary breast cancer (age <30 years) were admitted, accounting for 4.46% of the patients in the same period, 84 of which were surgically treated in our hospital. Non-youth control group 599 cases. Kaplan-Meier estimation and the Log-rank test and Breslow test were used to perform univariate analysis and adjustment analysis on four prognostic factors (clinical stage, lymph node status, histological type, and tumor size) that showed significant effects. Death claims were significantly higher than those in non-youth groups.