Disparities in breast cancer detection modalities and outcomes among geriatric female cancer patients.
Zhaoli Liu, Mathilda Nicot-Cartsonis, Biai D E Digbeu and 3 others
PMID 40628095WHAT IT FOUND
Breast cancers not found by mammography had much higher 5-year mortality (51.1%) than those found by screening (21.4%) or diagnostic mammography (27.8%).
However, racial and geographic gaps in detection and stage disappeared after adjusting for age, income, and other health conditions.
Key findings
015-year all-cause mortality was 51.1% for non-mammography detected cancers, compared to 27.8% for diagnostic and 21.4% for screening mammography detected cancers.
02After adjusting for covariates, no significant racial/ethnic disparities remained in detection modality, cancer stage, or mortality.
03Rural women were more likely to be diagnosed at mid- or advanced-stage disease even after adjustment, but geographic disparities in mortality and detection modality were not significant.
STILL TO COME
How it was doneWhat they foundWhat it means for RNs
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What it does not show
The study used data only from Texas, so results may not generalize to other states or countries. It was a cross-sectional analysis of mammography use in the 2 years before diagnosis, which cannot fully capture long-term screening behavior or distinguish interval cancers. The data is pre-pandemic, so it does not reflect recent changes in screening policies or access. It excluded 'Non-Hispanic Others' due to small sample size, potentially missing disparities in smaller racial/ethnic groups.
Declared interests
The authors declared no potential conflicts of interest.
The easy way to misread this
Do not conclude that mammography screening itself causes lower mortality. The study shows an association, but cancers detected by mammography may be biologically different (e.g., slower-growing) than those detected by other means, and the study could not fully account for all confounding factors or distinguish interval cancers.