Effect of obesity and underweight status on the hospital-acquired functional decline in patients with cardiovascular sur

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ORIGINAL ARTICLE

Effect of obesity and underweight status on the hospital‑acquired functional decline in patients with cardiovascular surgery: an analysis of data from a prospective observational multicenter cohort study Masakazu Saioth1   · Kenta Kamisaka2 · Michitaka Kato3 · Kentaro Iwata4 · Koji Sakurada5 · Masayuki Tahara6 · Keisuke Oura7 · Yuji Mori8 · Shota Otuka9 · Tomoyuki Morisawa10 · Tetsuya Takahashi10 Received: 11 October 2019 / Accepted: 11 December 2019 © The Japanese Association for Thoracic Surgery 2019

Abstract Objects  The aim of this study was to determine the association between underweight or obese status and hospital- acquired functional decline (HAFD) following cardiovascular surgery. Methods  We performed a retrospective, observational, multicenter cohort study of cardiovascular surgery patients between April, 2010, and June, 2017. Body mass index (BMI) was categorized into four classes: underweight group (