Gannon, Melissa Ruth http://orcid.org/0000-0002-9163-0571
Dodwell, David
Aggarwal, Ajay
Park, Min Hae
Miller, Katie
Horgan, Kieran
Clements, Karen http://orcid.org/0000-0003-0113-4409
Medina, Jibby
Cromwell, David Alan
Article History
Received: 9 November 2022
Revised: 7 September 2023
Accepted: 12 September 2023
First Online: 23 September 2023
Competing interests
: This study was undertaken as part of the work by the National Audit of Breast Cancer in Older Patients (NABCOP). The NABCOP is commissioned by the Healthcare Quality Improvement Partnership (HQIP) as part of the National Clinical Audit and Patient Outcomes Programme, and funded by NHS England and the Welsh Government (ExternalRef removed). Neither the commissioner nor the funders had any involvement in the study design; in the collection, analysis, and interpretation of data; in the writing of the manuscript; or in the decision to submit the article for publication. The authors had full independence from the HQIP. The aim of the NABCOP is to evaluate the care of older women with breast cancer in England and Wales, and support NHS providers to improve the quality of hospital care for these women. More information can be found at ExternalRef removed. DD also receives funding from Cancer Research UK (grant C8225/A21133). AA acknowledges funding from the NIHR Advanced Fellowship NIHR300599. KH declares being the Chair of the Endonet Trial Steering Committee. KC declares funding received for Breast Cancer Research Manager role within NHS England as part of the Cancer Grand Challenges PRECISION team, which is funded by Cancer Research UK and the Dutch Cancer Society (C7827/A27366); the grant is not related to her work on the National Audit of Breast Cancer in Older Patients or this paper. DAC declares grants/contracts from Healthcare Quality Improvement partnership; participation on the Pregnancy Outcome Prediction Study (POPS2) Trial Steering Committee; being on the Editorial Committee for the Journal of Health Services Research and Policy; being Deputy Chair on the Examination Committee for the MSc, PG Diploma and PG Cert in Public Health distance learning programme at the London School of Hygiene & Tropical Medicine. There are no other relationships or activities that could appear to have influenced the submitted work.
: This study was exempt from NHS Research Ethics Committee approval because it involved analysis of pseudonymised linked data collated for the purpose of service evaluation as part of the National Audit of Breast Cancer in Older Patients.