Supplementary File 1: Breast Cancer Contralateral Axillary Metastasis Survival Analysis

A 27.5 KB DOC file containing supplementary data for a retrospective cohort study of 1110 breast cancer patients. The study, authored by Shanqing Liu and last updated in April 2026, compares survival outcomes for patients with contralateral axillary metastasis against stage IIIC and stage IV disease. It evaluates the impact of curative-intent local therapy on mortality risk and locoregional recurrence.

Use Cases

• Validate survival analysis models based on overall survival (OS) data from 128 CAM patients.
• Benchmark locoregional recurrence rates based on the 5-year cumulative incidence figures reported.
• Replicate propensity score matching (PSM) and inverse probability of treatment weighting (IPTW) methodologies described in the study.
• Assess hazard ratios for mortality risk comparisons between CAM, LABC, and M1 cohorts.

Strengths

• Study includes a substantial cohort of 1110 patients from two tertiary centers.
• Analysis employs multiple statistical methods (Kaplan-Meier, Cox regression, PSM, IPTW) for robust comparison.
• Results include specific hazard ratios (e.g., aHR 0.58) and 5-year recurrence rates (12.1% vs. 31.4%).

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Data may reflect institutional bias inherent to the two tertiary centers used.

Provenance

Source

Shanqing Liu via figshare.

Collection Method

Retrospective cohort study of patient records.

Time Range

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Freshness

Last updated 2026-04-16 04:19:29; freshness should be verified.

Geography

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