ArticleHealth promotion and chronic disease prevention in Canada : research, policy and practice2018
Breast cancer detection method, diagnostic interval and use of specialized diagnostic assessment units across Ontario, Canada.
Article in Health promotion and chronic disease prevention in Canada : research, policy and practice, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- Guidance for Canadian Breast Cancer Practice: National Consensus Recommendations for Clinical Staging of Patients Newly Diagnosed with Breast Cancer.Current oncology (Toronto, Ont.) · 2024Article
- Insights into the Refusal of Free Screening Mammograms: Exploring Contributing Factors.Breast cancer (Dove Medical Press) · 2024Article
- Assurance of Timely Access to Breast Cancer Diagnosis and Treatment by a Regional Breast Health Clinic Serving Both Urban and Rural-Remote Communities.Current oncology (Toronto, Ont.) · 2023Article
- Association Between Obesity and Clinicopathological Profile of Patients with Newly Diagnosed Non-Metastatic Breast Cancer in Saudi Arabia.International journal of women's health · 2022Article
- Factors associated with waiting time to breast cancer diagnosis among symptomatic breast cancer patients: a population-based study from Ontario, Canada.Breast cancer research and treatment · 2021Article
- Breast cancer diagnosis and treatment wait times in specialized diagnostic units compared with usual care: a population-based study.Current oncology (Toronto, Ont.) · 2020Article
- Changes in primary care provider utilization by phase of care for women diagnosed with breast cancer: a CanIMPACT longitudinal cohort study.BMC family practice · 2019Article
- Determining the Cancer Diagnostic Interval Using Administrative Health Care Data in a Breast Cancer Cohort.JCO clinical cancer informatics · 2019Article
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Authors and funding
5 authors.
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No grant is acknowledged in the PubMed record.
Abstract
introductionBreast cancer is detected through screening or through signs and symptoms. In Canada, mammograms for breast cancer screening are offered in organized programs or independently (opportunistic screening). Province of Ontario breast Diagnostic Assessment Units (DAUs) are facility-based programs that provide coordinated breast cancer diagnostic services, as opposed to usual care, in which the primary care provider arranges the tests and consultations. This study describes breast cancer detection method, diagnostic interval and DAU use across Ontario.
methodsThe study cohort consisted of 6898 women with invasive breast cancer diagnosed in 2011. We used the Ontario Cancer Registry linked to administrative health care databases. We determined the detection method using the Ontario Breast Screening Program (OBSP) data and physician claims. The diagnostic interval was the time between the initial screen, specialist referral or first diagnostic test and the cancer diagnosis. The diagnostic route (whether through DAU or usual care) was determined based on the OBSP records and biopsy or surgery location. We mapped the diagnostic interval and DAU coverage geographically by women's residence.
resultsIn 2011, 36% of Ontario breast cancer patients were screen-detected, with a 48% rate among those aged 50 to 69. The provincial median diagnostic interval was 32 days, with county medians ranging from 15 to 65 days. Provincially, 48.4% were diagnosed at a DAU, and this ranged from zero to 100% across counties.
conclusionThe screening detection rate in age-eligible breast cancer patients was lower than published population-wide screening rates. Geographic mapping of the diagnostic interval and DAU use reveals regional variations in cancer diagnostic care that need to be addressed.
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