ArticleCritical care and resuscitation : journal of the Australasian Academy of Critical Care Medicine2023
The impact of body mass index on long-term survival after ICU admission due to COVID-19: A retrospective multicentre study.
Article in Critical care and resuscitation : journal of the Australasian Academy of Critical Care Medicine, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed, 6 citations in OpenAlex.
- Associations of weight-derived markers with mortality in patients with Corona virus disease 2019: evidence from hospitals and patients.BMC pulmonary medicine · 2025Article
- Respiratory syncytial virus infection in adult and paediatric patients admitted to intensive care in Australia: A nation-wide comparison with COVID-19.Critical care and resuscitation : journal of the Australasian Academy of Critical Care Medicine · 2025Article
- The metabolic-immune interface of obesity in Covid-19: a role for angiotensin ii and inflammatory cytokines.Frontiers in immunology · 2025Article
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Authors and funding
4 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Objective: The impact of obesity on long-term survival after intensive care unit (ICU) admission with severe coronavirus disease 2019 (COVID-19) is unclear. We aimed to quantify the impact of obesity on time to death up to two years in patients admitted to Australian and New Zealand ICUs. Design: Retrospective multicentre study. Setting: 92 ICUs between 1st January 2020 through to 31st December 2020 in New Zealand and 31st March 2022 in Australia with COVID-19, reported in the Australian and New Zealand Intensive Care Society adult patient database. Participants: All patients with documented height and weight to estimate the body mass index (BMI) were included. Obesity was classified patients according to the World Health Organization recommendations. Interventions and main outcome measures: The primary outcome was survival time up to two years after ICU admission. The effect of obesity on time to death was assessed using a Cox proportional hazards model. Confounders were acute illness severity, sex, frailty, hospital type and jurisdiction for all patients. Results: We examined 2,931 patients; the median BMI was 30.2 (IQR 25.6-36.0) kg/m Conclusions: The obesity paradox appears to exist beyond hospital discharge in critically ill patients with COVID-19 admitted in Australian and New Zealand ICUs. A BMI ≥40 kg/m
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