Article ; Online: Increased breast cancer mortality due to treatment delay and needle biopsy type: a retrospective analysis of SEER-medicare.
2023 Volume 30, Issue 4, Page(s) 627–636
Abstract: Background: Substantial evidence indicates that delay of first treatment after diagnosis is associated with poorer survival outcomes in breast cancer. Accordingly, the Commission on Cancer introduced a quality measure for receipt of therapeutic surgery ... ...
Abstract | Background: Substantial evidence indicates that delay of first treatment after diagnosis is associated with poorer survival outcomes in breast cancer. Accordingly, the Commission on Cancer introduced a quality measure for receipt of therapeutic surgery within 60 days of diagnostic biopsy for stage I-III breast cancer patients in the non-neoadjuvant setting. It is unknown, however, what may contribute to mortality associated with treatment delay. Therefore, we investigated whether biopsy type moderates the effect of the mortality risk posed by treatment delay. Methods: Retrospective analysis of 31,306 women with stage I-III breast cancer diagnosed between 2003 and 2013 selected from the SEER-Medicare database was performed to determine whether needle biopsy type [core needle biopsy (CNB) or vacuum-assisted biopsy (VAB)] impacts time to treatment (TTT)-associated survival outcomes. Multivariable Fine-Gray competing risk survival models, adjusted for inverse propensity score weights, were used to determine the association between biopsy type, TTT, and breast cancer-specific mortality (BCSM). Results: TTT ≥ 60 days was associated with 45% higher risk of BCSM (sHR = 1.45, 95% CI 1.24-1.69) compared to those with TTT < 60 days in stage I-III cases. Independent of TTT, CNB was associated with 28% higher risk of BCSM compared to VAB in stage II-III cases (sHR = 1.28, 95% CI 1.11-1.36), translating to a 2.7% and 4.0% absolute difference in BCSM at 5 and 10 years, respectively. However, in stage I cases, the BCSM risk was not associated with type of biopsy. Conclusions: Our results suggest that treatment delay ≥ 60 days is independently associated with poorer survival outcomes in breast cancer patients. In stage II-III, CNB is associated with higher BCSM than VAB. However, type of biopsy does not underlie TTT-associated breast cancer mortality risk. |
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MeSH term(s) | United States/epidemiology ; Female ; Humans ; Aged ; Breast Neoplasms/therapy ; Breast Neoplasms/pathology ; Time-to-Treatment ; Retrospective Studies ; Medicare ; Breast/pathology ; Biopsy, Large-Core Needle/methods |
Language | English |
Publishing date | 2023-05-03 |
Publishing country | Japan |
Document type | Journal Article |
ZDB-ID | 2052429-8 |
ISSN | 1880-4233 ; 1340-6868 |
ISSN (online) | 1880-4233 |
ISSN | 1340-6868 |
DOI | 10.1007/s12282-023-01456-3 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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