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. 2021 Dec 10;161(5):1167–1179. doi: 10.1016/j.chest.2021.11.035

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© 2021 American College of Chest Physicians. Published by Elsevier Inc. All rights reserved.

Since January 2020 Elsevier has created a COVID-19 resource centre with free information in English and Mandarin on the novel coronavirus COVID-19. The COVID-19 resource centre is hosted on Elsevier Connect, the company's public news and information website. Elsevier hereby grants permission to make all its COVID-19-related research that is available on the COVID-19 resource centre - including this research content - immediately available in PubMed Central and other publicly funded repositories, such as the WHO COVID database with rights for unrestricted research re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for free by Elsevier for as long as the COVID-19 resource centre remains active.

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Graph showing preservation of BMI during the PY. An increase in BMI was observed during the pandemic period, with mean BMI of 25.2 kg/m² during the PPY and 26.2 kg/m² during the PY (n = 101; P < .001). Six patients were excluded because of pregnancy and 1 because of missing data. BMI was not adjusted for elexacaftor/tezacaftor/ivacaftor (ETI) treatment because of lack of data before and after ETI treatment. Lines show each patient’s change. Subgroup analysis for BMI less than the patient’s goal (BMI < 22 kg/m² for women or < 23 kg/m² for men) and for BMI at goal (BMI of 22-27 kg/m² for women and 23-27 kg/m² for men) demonstrated significant improvement during the PY (P < .001 and P = .008, Adj., respectively). For BMI of more than the patient’s goal, no significant change in BMI was observed during the PY (P = .183, Adj.). Adj. = adjusted; F = female; M = male; PPY = prepandemic year; PY = pandemic year.