SynthesisFrontiers in medicine2021
Obesity and Mortality Among Patients Diagnosed With COVID-19: A Systematic Review and Meta-Analysis.
Synthesis in Frontiers in medicine, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 75 papers, 8 of them syntheses that pooled it.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
75 citing papers in PubMed, 8 syntheses or guidelines pooled it.
- Global prevalence and effect of comorbidities and smoking status on severity and mortality of COVID-19 in association with age and gender: a systematic review, meta-analysis and meta-regression.Scientific reports · 2023Pooled it
- Risk of bias and certainty of evidence on the association between obesity and mortality in patients with SARS-COV-2: An umbrella review of meta-analyses.Clinical nutrition ESPEN · 2023Pooled it
- Obesity augments the disease burden in COVID-19: Updated data from an umbrella review.Clinical obesity · 2022Pooled it
- Association of Obesity With COVID-19 Severity and Mortality: An Updated Systemic Review, Meta-Analysis, and Meta-Regression.Frontiers in endocrinology · 2022Pooled it
- Association between systemic rheumatic diseases and dementia risk: A meta-analysis.Frontiers in immunology · 2022Pooled it
- Mortality risk factors of COVID-19 infection in kidney transplantation recipients: a systematic review and meta-analysis of cohorts and clinical registries.Scientific reports · 2021Pooled it
- Prognostic Role of Metabolic Syndrome in COVID-19 Patients: A Systematic Review Meta-Analysis.Viruses · 2021Pooled it
- COVID-19 infection and body weight: A deleterious liaison in a J-curve relationship.Obesity research & clinical practicePooled it
- Influence of Excess Weight on the Risk of SARS-CoV-2 Infection and Hospitalization: A Case-Control Study in a Rural Area of Spain.Healthcare (Basel, Switzerland) · 2026Article
- Sex Differences in Dietary-Induced Liver Steatosis and Insulin Receptor-Related Signaling in Aged Mice Lacking Serotonin Transporter.International journal of molecular sciences · 2026Article
- Article
- Evaluation of methylation changes in blood cells of COVID-19 patients as a biomarker of severity of the infection.BMC infectious diseases · 2025Article
- Review
- Poor clinical outcomes among hospitalized obese patients with COVID-19 are related to inflammation and not respiratory mechanics.Journal of critical care medicine (Universitatea de Medicina si Farmacie din Targu-Mures) · 2025Article
- Differences in Covid-19 deaths amongst cancer patients and possible mediators for this relationship.Scientific reports · 2025Article
- The burden of COVID-19 in primary care of Almaty, Kazakhstan, 2021-2022.Scientific reports · 2025Article
- Obesity modifies the association of race and COVID-19 mortality: analysis of a retrospective cohort from Brazil.Scientific reports · 2024Article
- The Association Between Obesity, Chronic Inflammation, Metabolic Disorders and Mood Disorders Among Patients up to 12 Months After Hospitalization for SARS-CoV-2.Diagnostics (Basel, Switzerland) · 2024Article
- A critical review of health and financial implications of obesity during the COVID-19 pandemic.Annals of medicine and surgery (2012) · 2024Review
- Impact of Serotonin Transporter Absence on Brain Insulin Receptor Expression, Plasma Metabolome Changes, and ADHD-like Behavior in Mice fed a Western Diet.Biomolecules · 2024Article
15 more citing papers are in PubMed but not listed here.
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Coronavirus disease 2019 (COVID-19) has already raised serious concern globally as the number of confirmed or suspected cases have increased rapidly. Epidemiological studies reported that obesity is associated with a higher rate of mortality in patients with COVID-19. Yet, to our knowledge, there is no comprehensive systematic review and meta-analysis to assess the effects of obesity and mortality among patients with COVID-19. We, therefore, aimed to evaluate the effect of obesity, associated comorbidities, and other factors on the risk of death due to COVID-19. We did a systematic search on PubMed, EMBASE, Google Scholar, Web of Science, and Scopus between January 1, 2020, and August 30, 2020. We followed Cochrane Guidelines to find relevant articles, and two reviewers extracted data from retrieved articles. Disagreement during those stages was resolved by discussion with the main investigator. The random-effects model was used to calculate effect sizes. We included 17 articles with a total of 543,399 patients. Obesity was significantly associated with an increased risk of mortality among patients with COVID-19 (RR
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.