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September 17, 2026Breast Cancer ResearchOpen Access

Inequalities in routes to diagnosis, time to diagnosis and time to treatment among adults diagnosed with breast cancer in England: a nationwide population-based study of diagnoses between 2009 and 2018

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Authors

TPTetyana PerchykALAgnieszka LemańskaLMLuke Mounce

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Overview

Population-based study reveals diagnostic and treatment delays in marginalized breast cancer patients, highlighting systemic barriers contributing to late-stage presentations.

Key Points

  • To investigate whether patient characteristics, including ethnicity, socioeconomic deprivation, and mental health conditions, are associated with variations in breast cancer routes to diagnosis, time to diagnosis, and time to treatment.
  • Analyzed records of 86,564 adults diagnosed with breast cancer in England between January 1, 2009, and December 31, 2018.
  • Linked Clinical Practice Research Datalink records with Cancer Registration Tumour and Treatment datasets using multivariable logistic regression and accelerated failure time models.
  • Screening diagnosis was lower among Asian (aOR: 0.87, 95% CI: 0.79, 0.97), Black (aOR: 0.71, 95% CI: 0.62, 0.82), Mixed ethnicity (aOR: 0.67, 95% CI: 0.51, 0.88), deprived (aOR: 0.89, 95% CI: 0.85, 0.95), and severe mental illness groups (aOR: 0.87, 95% CI: 0.78, 0.98), who instead showed higher odds of urgent or emergency routes.
  • Time to diagnosis was prolonged in people with a learning disability (aTR: 1.18, 95% CI: 1.06, 1.32).
  • Time to treatment was prolonged for people with a learning disability (aTR: 1.08, 95% CI: 1.03, 1.13), severe mental illness (aTR: 1.07, 95% CI: 1.04, 1.09), Black ethnicity (aTR: 1.10, 95% CI: 1.07, 1.13), and Other ethnicity (aTR: 1.06, 95% CI: 1.03, 1.10).

Cite This Study

Perchyk et al. (2026) studied this question.

synapsesocial.com/papers/6aabb7755f706d05830e6761https://doi.org/10.1186/s13058-026-02367-9
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1296P Ethnicity and social deprivation as determinants of stage at diagnosis and time to treatment in early breast cancer: A single centre study2026
  2. 2Socio-Demographic Inequalities in Diagnostic Delays of Breast Cancer: A Multistage Time-to-Diagnosis Analysis2025 · 2 citations
  3. 3Abstract 5073: Disparities in timeliness of cancer diagnosis across a multi-site academic health system2026
  4. 4Are there inequalities in colon cancer diagnosis and treatment in England? A population-based study2026
  5. 5Abstract C135: The heterogenous impact of healthcare access factors throughout the breast cancer care continuum2024