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dc.contributor.authorOng, Wee Loon-
dc.contributor.authorKhor, Richard-
dc.contributor.authorChao, Michael-
dc.contributor.authorMilne, Roger L-
dc.contributor.authorMillar, Jeremy-
dc.contributor.authorForoudi, Farshad-
dc.identifier.citationJournal of Medical Imaging and Radiation Oncology 2021; 65(2): 224-232en
dc.description.abstractTo evaluate the adoption of hypofractionated radiotherapy (HFRT) for breast cancer (BC) in Victoria, Australia. This is a population-based cohort of women with BC who had breast RT as captured in the Victorian Radiotherapy Minimum Data Set between 2012 and 2017. We defined HFRT as < 25 fractions of RT. The pattern of HFRT use over time was evaluated with the Cochrane-Armitage test for trend. Factors associated with HFRT were identified using multivariable logistic regression. 12,717 women were included in the study. Overall, 6,653 (52%) patients had HFRT. HFRT use increased from 35% in 2012 to 66% in 2017 (P-trend < 0.001). Older women were more likely to have HFRT (74% for women aged ≥ 70 years vs. 27% for women aged < 50 years; P < 0.001). Women who had nodal irradiation were less likely to have HFRT compared with those who did not (13% vs. 57%; P < 0.001). HFRT use was more common in public than private institutions (57% vs. 46%, P < 0.001), and in metropolitan than regional centres (54% vs. 46%, P < 0.001). In multivariable analyses, the progressive increase in HFRT use over time was independent of other covariates - women treated in 2017 were 7.3 times (95% CI = 6.3-8.6, P < 0.001) more likely to be treated with HFRT than in 2012. Age at RT, nodal irradiation, area of residence and institutional type and locations were all independently associated with HFRT use. This large Australian contemporary population-based study demonstrates increasing use of HFRT for BC. However, large sociodemographic and institutional provider-related variations in practice still exist.en
dc.titleChoosing Wisely in radiation therapy for breast cancer: Time lag in adoption of hypofractionated radiation therapy in Victoria.en
dc.typeJournal Articleen
dc.identifier.journaltitleJournal of Medical Imaging and Radiation Oncologyen
dc.identifier.affiliationDepartment of Epidemiology and Preventive Medicine, Monash University, Melbourne, Victoria, Australiaen
dc.identifier.affiliationPrecision Medicine, School of Clinical Science, Monash Health, Melbourne, Victoria, Australiaen
dc.identifier.affiliationGenesis Cancer Care, Ringwood, Victoria, Australiaen
dc.identifier.affiliationSchool of Clinical Medicine, University of Cambridge, Cambridge, UKen
dc.identifier.affiliationDepartment of Radiation Oncology, Peter MacCallum Cancer Centre, Melbourne, Victoria, Australiaen
dc.identifier.affiliationRadiation Oncologyen
dc.identifier.affiliationOlivia Newton-John Cancer Wellness and Research Centreen
dc.identifier.affiliationAlfred Health Radiation Oncology Services, Prahran, Victoria, Australiaen
dc.identifier.affiliationCentral Clinical School, Monash University, Melbourne, Victoria, Australiaen
dc.identifier.affiliationCancer Epidemiology Division, Cancer Council Victoria, Melbourne, Victoria, Australiaen
dc.identifier.affiliationCentre for Epidemiology and Biostatistics, School of Population and Global Health, University of Melbourne, Melbourne, Victoria, Australiaen
dc.identifier.pubmedid33591610-, Michael
item.openairetypeJournal Article-
item.fulltextNo Fulltext-
item.openairecristype Oncology- Newton-John Cancer Wellness and Research Centre- Haematology- Newton-John Cancer Wellness and Research Centre- Oncology- Oncology- Newton-John Cancer Wellness and Research Centre- Oncology-
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