Abstract
BACKGROUND: The purpose of this study was to investigate the clinicopathological features and analyze the prognostic factors of triple-negative breast cancer (TNBC). PATIENTS AND METHODS: The clinical data of 1,788 breast cancer patients was collected and analyzed. The Kaplan-Meier method was used to estimate survival. Multivariate analysis of the prognostic factors for survival was performed using the Cox regression model. RESULTS: Patients with TNBC exhibited characteristics significantly differing from those with non-TNBC. There was a higher proportion of patients with age < 35 years, stage III disease, tumor size > 5 cm, lymph node positivity, and histological grade 3. The 5-year disease-free survival (DFS) rates of TNBC and non-TNBC patients were 75.7 and 79.6%, respectively (p < 0.05). 5-year overall survival (OS) was 86.6 and 93.5%, respectively (p < 0.05). In multivariate Cox regression analysis, the independent prognostic factors for shorter DFS were age < 35 years (hazard ratio (HR) 2.105), positive lymph nodes (HR 7.039), histological grade 3 (HR 1.841), and for shorter OS positive lymph nodes (HR 4.626). CONCLUSION: The proportion of TNBC in breast cancer in China is higher than in other areas. TNBC is correlated...Continue Reading
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