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In the early stages of the COVID-19 pandemic, obesity was considered an important risk factor.
In the early stages of the COVID-19 pandemic, obesity was considered an important risk factor.
To date, almost all studies on this potential association have examined the outcome of hospitalized patients and compared the progress or death of obese and non-obese patients to the intensive care unit (ICU).
Some studies have found that men, certain ethnic groups, patients with type 2 diabetes and other chronic diseases may be more likely to have adverse consequences from severe SARS-CoV-2 infection .
In this prospective, community-based cohort study, the researchers used the QResearch database from the UK general practice to identify patient-level data, and extracted data from January 24, 2020 (the date when the infection was first recorded in the UK) to Data of patients 20 years and older registered in QResearch database during April 30, 2020, and available data of BMI.
In this prospective, community-based cohort study, the researchers used the QResearch database from the UK general practice to identify patient-level data, and extracted data from January 24, 2020 (the date when the infection was first recorded in the UK) to Data of patients 20 years and older registered in QResearch database during April 30, 2020, and available data of BMI.
Among 6910695 eligible individuals (mean BMI 26.
Researchers found that there is a significant interaction between body mass index and age and race, which is more important for young people and blacks than whites.
When the BMI exceeds 23 kg/m 2 , the risk of hospital admission and death due to COVID-19 increases linearly.
Correlation between BMI and COVID-19-related hospitalizations (A), COVID-19-related ICU hospitalizations (B), and COVID-19 deaths (C) in the general population
Correlation between BMI and COVID-19-related hospitalizations (A), COVID-19-related ICU hospitalizations (B), and COVID-19 deaths (C) in the general populationEven a small increase in BMI above 23kg/m 2 is a risk factor for adverse outcomes after SARS-CoV-2 infection.
Even a small increase in BMI above 23kg/m 2 is a risk factor for adverse outcomes after SARS-CoV-2 infection.
In summary, the findings in this large population cohort study emphasize that being overweight is associated with a significant increase in the risk of severe COVID-19 outcomes, and it is also one of the most important modifiable risk factors discovered so far.
And in the long run, these efforts to achieve a healthy weight can also help reduce the risk of type 2 diabetes, cardiovascular disease, and some cancers, which have persisted during the pandemic and put a continuous burden on health.
References: Associations between body-mass index and COVID-19 severity in 6·9 million people in England: a prospective, community-based, cohort study Min Gao, MSc * Carmen Piernas, PhD * Nerys M Astbury, PhD Prof Julia Hippisley -Cox, FRCP Prof Stephen O'Rahilly, FRS Prof Paul Aveyard, FRCGP † et al.
Show all authors Show footnotes DOI:https://doi.
org/10.
1016/S2213-8587(21)00089-9 DOI:https: //doi.
org/10.
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