期刊
BREAST
卷 20, 期 6, 页码 568-573出版社
CHURCHILL LIVINGSTONE
DOI: 10.1016/j.breast.2011.07.012
关键词
Breast cancer; Young age; Prognosis; Survival; Case-control study
It has long been suggested that younger women with breast cancer have less favorable prognostic factors and poorer outcomes. Our main objectives were to determine whether poor prognosis among young women was independent of other common clinicopathologic parameters. We retrospectively analyzed 551 young patients (<= 35 years, Group I) and 551 older patients (36-50 years, Group II), matched for year of diagnosis, family history of breast cancer, pathologic stage, hormone receptor expression and application of adjuvant therapy. Patients in Group I had significantly shorter disease-free survival (DFS) than Group II (median 23.2 months vs. 28.4 months, P = 0.024). Five-year DFS rate(63.7% vs. 74.7%, P < 0.001) and overall survival (OS) rate (79.5% vs. 85.6%, P = 0.024) in Group I was inferior to those in Group II. Multivariate analysis showed that young age was a significantly negative predictor for DFS and OS. Our study thus shows that age (<= 35 y/o) is an independent risk factor for prognosis in operable breast cancer. (C) 2011 Elsevier Ltd. All rights reserved.
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