Body mass index changes and their association with SARS-CoV-2 infection: a real-world analysis
ABSTRACT <jats:sec id="s21">Objective To study body mass index (BMI) changes among individuals aged 18-99 years with and without SARS-CoV-2 infection.<jats:sec id="s22">Subjects/Methods Using real-world data from the One Florida+ Clinical Research Network of the National Patient-Centered Clinical Research Network, we compared changes over time in BMI in an Exposed cohort (positive SARS-CoV-2 test between March 2020 – January 2022), to a contemporary Unexposed cohort (negative SARS-CoV-2 tests), and an age/sex-matched Historical control cohort (March 2018 – January 2020). Body mass index (kg/m2) was retrieved from objective measures of height and weight in electronic health records. We used target trial approaches to estimate BMI at baseline and change per 100 days of follow-up for Unexposed and Historical cohorts relative to the Exposed cohort by categories of sex, race-ethnicity, age, and hospitalization status.<jats:sec id="s23">Results The study sample consisted of 44,436 (Exposed cohort), 164,118 (Unexposed cohort), and 41,189 (Historical cohort). Cumulatively, 62% were women, 21.5% Non-Hispanic Black, 21.4% Hispanic and 5.6% Non-Hispanic Other. Patients had an average age of 51.9 years (SD: 18.9). At baseline, relative to the Exposed cohort (mean BMI: 29.3 kg/m2[95%CI: 29.0, 29.7]), the Unexposed (–0.07 kg/m2[95%CI; –0.12, –0.01]) and Historical controls (–0.27 kg/m2[95%CI; – 0.34, –0.20]) had lower BMI. Relative to no change in the Exposed over 100 days (0.00 kg/m2[95%CI; –0.03,0.03]), the BMI of those Unexposed decreased (–0.04 kg/m2[95%CI; –0.06, – 0.01]) while the Historical cohort’s BMI increased (+0.03 kg/m2[95%CI;0.00,0.06]). BMI changes were consistent between Exposed and Unexposed cohorts for most population groups, except at start of follow-up period among Males and those 65 years or older, and in changes over 100 days among Males and Hispanics.<jats:sec id="s24">Conclusions In a diverse real-world cohort of adults, mean BMI of those with and without SARS-CoV2 infection varied in their trajectories. The mechanisms and implications of weight retention following SARS-CoV-2 infection remain unclear..
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Preprint |
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Erscheinungsjahr: |
2024 |
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Erschienen: |
2024 |
Enthalten in: |
bioRxiv.org - (2024) vom: 15. Feb. Zur Gesamtaufnahme - year:2024 |
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Sprache: |
Englisch |
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Beteiligte Personen: |
Varghese, Jithin Sam [VerfasserIn] |
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Links: |
Volltext [kostenfrei] |
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Themen: |
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doi: |
10.1101/2024.02.12.24302697 |
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funding: |
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Förderinstitution / Projekttitel: |
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PPN (Katalog-ID): |
XBI042491029 |
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520 | |a ABSTRACT <jats:sec id="s21">Objective To study body mass index (BMI) changes among individuals aged 18-99 years with and without SARS-CoV-2 infection.<jats:sec id="s22">Subjects/Methods Using real-world data from the One Florida+ Clinical Research Network of the National Patient-Centered Clinical Research Network, we compared changes over time in BMI in an Exposed cohort (positive SARS-CoV-2 test between March 2020 – January 2022), to a contemporary Unexposed cohort (negative SARS-CoV-2 tests), and an age/sex-matched Historical control cohort (March 2018 – January 2020). Body mass index (kg/m2) was retrieved from objective measures of height and weight in electronic health records. We used target trial approaches to estimate BMI at baseline and change per 100 days of follow-up for Unexposed and Historical cohorts relative to the Exposed cohort by categories of sex, race-ethnicity, age, and hospitalization status.<jats:sec id="s23">Results The study sample consisted of 44,436 (Exposed cohort), 164,118 (Unexposed cohort), and 41,189 (Historical cohort). Cumulatively, 62% were women, 21.5% Non-Hispanic Black, 21.4% Hispanic and 5.6% Non-Hispanic Other. Patients had an average age of 51.9 years (SD: 18.9). At baseline, relative to the Exposed cohort (mean BMI: 29.3 kg/m2[95%CI: 29.0, 29.7]), the Unexposed (–0.07 kg/m2[95%CI; –0.12, –0.01]) and Historical controls (–0.27 kg/m2[95%CI; – 0.34, –0.20]) had lower BMI. Relative to no change in the Exposed over 100 days (0.00 kg/m2[95%CI; –0.03,0.03]), the BMI of those Unexposed decreased (–0.04 kg/m2[95%CI; –0.06, – 0.01]) while the Historical cohort’s BMI increased (+0.03 kg/m2[95%CI;0.00,0.06]). BMI changes were consistent between Exposed and Unexposed cohorts for most population groups, except at start of follow-up period among Males and those 65 years or older, and in changes over 100 days among Males and Hispanics.<jats:sec id="s24">Conclusions In a diverse real-world cohort of adults, mean BMI of those with and without SARS-CoV2 infection varied in their trajectories. The mechanisms and implications of weight retention following SARS-CoV-2 infection remain unclear. | ||
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