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Boyle T, Reintals M, Holmes A, Buckley E, Roder D. Interval cancers as related to frequency of recall to assessment in the South Australian population-based breast screening program: An exploratory study. Cancer Epidemiol 2022; 79:102183. [DOI: 10.1016/j.canep.2022.102183] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Revised: 03/29/2022] [Accepted: 05/06/2022] [Indexed: 11/30/2022]
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Li M, Reintals M, D'Onise K, Farshid G, Holmes A, Joshi R, Karapetis CS, Miller CL, Olver IN, Buckley ES, Townsend A, Walters D, Roder DM. Investigating the breast cancer screening-treatment-mortality pathway of women diagnosed with invasive breast cancer: Results from linked health data. Eur J Cancer Care (Engl) 2021; 31:e13539. [PMID: 34850484 DOI: 10.1111/ecc.13539] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Revised: 08/23/2021] [Accepted: 11/12/2021] [Indexed: 11/27/2022]
Abstract
OBJECTIVE To examine the screening-treatment-mortality pathway among women with invasive breast cancer in 2006-2014 using linked data. METHODS BreastScreen histories of South Australian women diagnosed with breast cancer (n = 8453) were investigated. Treatments recorded within 12 months from diagnosis were obtained from linked registry and administrative data. Associations of screening history with treatment were investigated using logistic regression and with cancer mortality outcomes using competing risk analyses, adjusting for socio-demographic, cancer and comorbidity characteristics. RESULTS AND CONCLUSION For screening ages of 50-69 years, 70% had participated in BreastScreen SA ≤ 5 years and 53% ≤ 2 years of diagnosis. Five-year disease-specific survival post-diagnosis was 90%. Compared with those not screened ≤5 years, women screened ≤2 years had higher odds, adjusted for socio-demographic, cancer and comorbidity characteristics, and diagnostic period, of breast-conserving surgery (aOR 2.5, 95% CI 1.9-3.2) and radiotherapy (aOR 1.2, 95% CI 1.1-1.3). These women had a lower unadjusted risk of post-diagnostic cancer mortality (SHR 0.33, 95% CI 0.27-0.41), partly mediated by stage (aSHR 0.65, 95% CI 0.51-0.81), and less breast surgery (aSHR 0.78, 95% CI 0.62-0.99). Screening ≤2 years and conserving surgery appeared to have a greater than additive association with lower post-diagnostic mortality (interaction term SHR 0.42, 95% CI 0.23-0.78). The screening-treatment-mortality pathway was investigated using linked data.
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Affiliation(s)
- Ming Li
- Cancer Research Institute, University of South Australia, Adelaide, South Australia, Australia
| | - Michelle Reintals
- BreastScreen South Australia, Government of South Australia, Adelaide, South Australia, Australia
| | - Katina D'Onise
- Prevention and Population Health, SA Health Department for Health and Wellbeing, Adelaide, South Australia, Australia
| | - Gelareh Farshid
- SA Pathology, Royal Adelaide Hospital, Adelaide, South Australia, Australia.,Faculty of Health and Medical Sciences, University of Adelaide, Adelaide, South Australia, Australia
| | - Andrew Holmes
- BreastScreen South Australia, Government of South Australia, Adelaide, South Australia, Australia
| | - Rohit Joshi
- Faculty of Health and Medical Sciences, University of Adelaide, Adelaide, South Australia, Australia.,Cancer Research and Clinical Trials, Adelaide Oncology and Haematology, North Adelaide, South Australia, Australia
| | - Christos S Karapetis
- Department of Medical Oncology, Flinders University, Bedford Park, South Australia, Australia
| | - Caroline L Miller
- Faculty of Health and Medical Sciences, University of Adelaide, Adelaide, South Australia, Australia.,Health Policy Centre, South Australian Health & Medical Research Institute (SAHMRI), Adelaide, South Australia, Australia
| | - Ian N Olver
- Faculty of Health and Medical Sciences, University of Adelaide, Adelaide, South Australia, Australia
| | - Elizabeth S Buckley
- Cancer Research Institute, University of South Australia, Adelaide, South Australia, Australia
| | - Amanda Townsend
- Clinical Cancer Research, Queen Elizabeth Hospital, Woodville South, South Australia, Australia.,Basil Hetzel Institute for Translational Health Research, Woodville South, South Australia, Australia
| | - David Walters
- Faculty of Health and Medical Sciences, University of Adelaide, Adelaide, South Australia, Australia.,Department of Surgery, Queen Elizabeth Hospital, Woodville South, South Australia, Australia
| | - David M Roder
- Cancer Research Institute, University of South Australia, Adelaide, South Australia, Australia
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