Breast cancer screening in women aged 75 and older: Insights from an aging region in Japan.

However, in multivariable analysis including age, invasive tumor size, lymph node and distant metastases, hormone therapy, and surgical intervention, the association between screening and all-cause mortality was no longer statistically significant, though a favorable trend was observed (HR 0.42, p = 0.25).

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Screening showed a trend toward lower all-cause mortality (HR 0.42) but did not reach statistical significance (95 % CI: 0.10, 1.82). 4.

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