ArticleEuropean journal of epidemiology2012
Survival from breast cancer in relation to access to tertiary healthcare, body mass index, tumor characteristics and treatment: a Hellenic Cooperative Oncology Group (HeCOG) study.
Article in European journal of epidemiology, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers, 3 of them syntheses that pooled it.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
14 citing papers in PubMed, 3 syntheses or guidelines pooled it.
- Postdiagnosis body fatness, weight change and breast cancer prognosis: Global Cancer Update Program (CUP global) systematic literature review and meta-analysis.International journal of cancer · 2023Pooled it
- Variations in outcomes by residential location for women with breast cancer: a systematic review.BMJ open · 2018Pooled it
- Pooled it
- Regional-level spatial accessibility and diabetes management in South Korea: a multilevel analysis using national longitudinal data.BMC public health · 2026Article
- The Relationship Between Travel Distance for Treatment and Outcomes in Patients Undergoing Radiation Therapy: A Systematic Review.Advances in radiation oncology · 2024Review
- Inequity in care delivery in cardio-oncology: dissecting disparities in underrepresented populations.Frontiers in oncology · 2023Review
- Current and future applications of biomarkers in samples collected through minimally invasive methods for cancer medicine and population-based research.American journal of human biology : the official journal of the Human Biology Council · 2022Review
- Breast Cancer Treatment in Integrated Care Process in Andalusia: The Challenge of Multidisciplinarity.International journal of environmental research and public health · 2022Article
- Female breast cancer in Europe: statistics, diagnosis and treatment modalities.Journal of thoracic disease · 2014Article
- Excess weight gain accelerates 1-methyl-1-nitrosourea-induced mammary carcinogenesis in a rat model of premenopausal breast cancer.Cancer prevention research (Philadelphia, Pa.) · 2014Article
- Impact of obesity on development and progression of mammary tumors in preclinical models of breast cancer.Journal of mammary gland biology and neoplasia · 2013Review
- The Rotterdam Study: 2014 objectives and design update.European journal of epidemiology · 2013Article
- Health disparities around the world: perspectives from the 2012 Principles and Practice of Cancer Prevention and Control course at the National Cancer Institute.Journal of oncology practice · 2013Article
- Emerging evidence for Gleason grade migration and distance impact in prostate cancer? An analysis of the rapid access prostate clinic in a tertiary referral center: St. Vincent's University Hospital, Dublin (2009-2011).Irish journal of medical science · 2013Article
Corrections and comments
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Apart from tumour, treatment and patient characteristics at diagnosis, access to healthcare delivery may as well play a significant role in breast cancer prognosis. This study aimed to assess the additional impact exerted on survival by travel burden-a surrogate indicator of limited access to healthcare- expressed as geographical distance and/or time needed to reach the tertiary healthcare center from the patient's residence. Between 1997 and 2005, 2,789 women participated in therapeutic clinical trials conducted by the Hellenic Cooperative Oncology Group. The effect of geographical distance and travel time between patient's residence and treating hospital on survival was estimated using Cox proportional hazards regression adjusting for age, menopausal status, tumour size/grade, positive nodes (number), hormonal receptor status, HER2 overexpression, surgery type/treatment protocol as well as for body mass index>30 kg/m2. More aggressive tumour features, older treatment protocols and modifiable patient characteristics, such as obesity (HR: 1.27) adversely impacted on breast cancer survival. In addition, less studied indicators of access to healthcare, such as geographic distance>350 km and travel time>4 h were independently and significantly associated with worse outcomes (HR=1.43 and 1.34 respectively). In conclusion, to address inequalities in breast cancer survival, improvements in access to healthcare services related to increased travel burden especially for patients of lower socioeconomic status should be considered, more than ever at times of financial crisis and independently of already known modifiable patient characteristics.
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