The risk of female-specific cancer after bariatric surgery in the state of New York
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The risk of female‑specific cancer after bariatric surgery in the state of New York Stella T. Tsui1,4 · Jie Yang2 · Xiaoyue Zhang2 · Konstantinos Spaniolas1 · Sara Kim3 · Todd Griffin3 · William M. Burke3 · Aurora D. Pryor1 Received: 15 May 2020 / Accepted: 17 August 2020 © Springer Science+Business Media, LLC, part of Springer Nature 2020
Abstract Background Obesity is a known risk factor for many cancers. Although bariatric surgery has been associated with a decrease in the risk of developing cancer, data on the effect of bariatric surgery on female-specific cancers are limited. This study aimed to assess the impact of bariatric interventions on the development of endometrial, ovarian and breast cancer. Methods The New York Statewide Planning and Research Cooperative System database was used to identify all female patients without a pre-existing cancer diagnosis who had a diagnosis of obesity between 2006 and 2012. The risk of having female-specific cancer diagnosis in patients who underwent bariatric surgery were compared with those who had no bariatric interventions using multivariable proportional sub-distribution hazard regression analysis. Subsequent cancer diagnoses were followed up to 2016. Results We identified 55,781 and 247,102 obese female patients who had and did not have bariatric surgery, respectively. The overall incidence of female-specific cancer was 2.69% and 2.09% for the non-surgery and surgery groups, respectively (p
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