The use of surgery in the treatment of ER+ early stage breast cancer in England: variation by time, age and patient characteristics

RICHARDS, P., WARD, S., MORGAN, J., LAGORD, C., REED, M., COLLINS, K. and WYLD, L. (2016). The use of surgery in the treatment of ER+ early stage breast cancer in England: variation by time, age and patient characteristics. European Journal of Surgical Oncology, 42 (4), 489-496.

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Abstract

AIM: To assess whether the proportion of patients aged 70 and over with ER+ operable breast cancer in England who are treated with surgery has changed since 2002, and to determine whether age and individual level factors including tumour characteristics and co-morbidity influence treatment choice. METHODS: A retrospective cohort analysis of routinely collected cancer registration data from two English regions (West Midlands, Northern & Yorkshire) was carried out (n = 17,129). Trends in surgical use over time for different age groups were assessed graphically and with linear regression. Uni- and multivariable logistic regressions were used to assess the effects of age, comorbidity, deprivation and disease characteristics on treatment choice. Missing data was handled using multiple imputation. RESULTS: There is no evidence of a change in the proportion of patients treated surgically over time. The multivariable model shows that age remains an important predictor of whether or not a woman with ER+ operable breast cancer receives surgery after covariate adjustment (Odds ratio of surgery vs no surgery, 0.82 (per year over 70)). Co-morbidity, deprivation, symptomatic presentation, later stage at diagnosis and low grade are also associated with increased probability of non-surgical treatment. CONCLUSION: Contrary to current NICE guidance in England, age appears to be an important factor in the decision to treat operable ER+ breast cancer non-surgically. Further research is needed to assess the role of other age-related factors on treatment choice, and the effect that current practice has on survival and mortality from breast cancer for older women.

Item Type:	Article
Research Institute, Centre or Group - Does NOT include content added after October 2018:	Centre for Health and Social Care Research
Identification Number:	https://doi.org/10.1016/j.ejso.2015.12.012
Page Range:	489-496
Depositing User:	Karen Collins
Date Deposited:	16 Feb 2016 14:32
Last Modified:	18 Mar 2021 04:51
URI:	https://shura.shu.ac.uk/id/eprint/11476

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