Evidence map›Paper›PMID 35246245›Full record

ReviewBiology of sex differences2022

Immune mechanisms associated with sex-based differences in severe COVID-19 clinical outcomes.

Cosby G Arnold, Anne Libby, Alexis Vest, Andrew Hopkinson, Andrew A Monte

Abstract readReview
In one paragraph

Review in Biology of sex differences, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 33 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
33citing papers in PubMed, 1 pooled it
–field-weighted citation impact
1 · What the graph read from 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.

2 · The registry

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.

3 · Its place in the literature

Who cites it

33 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
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  9. Effect of Pituitary-Target Gland Axis on RAAS in the Context of COVID-19.International journal of medical sciences · 2025
    Review
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors.

Cosby G ArnoldDepartment of Emergency Medicine, University of Colorado-Anschutz Medical Campus, 12401 East 17th Avenue, 7th Floor, Aurora, CO, 80045, USA. cosby.arnold@cuanschutz.edu.ORCID 0000-0002-8109-0460
Anne LibbyDepartment of Emergency Medicine, University of Colorado-Anschutz Medical Campus, 12401 East 17th Avenue, 7th Floor, Aurora, CO, 80045, USA.
Alexis VestDepartment of Emergency Medicine, University of Colorado-Anschutz Medical Campus, 12401 East 17th Avenue, 7th Floor, Aurora, CO, 80045, USA.
Andrew HopkinsonDepartment of Emergency Medicine, University of Colorado-Anschutz Medical Campus, 12401 East 17th Avenue, 7th Floor, Aurora, CO, 80045, USA.
Andrew A MonteDepartment of Emergency Medicine, University of Colorado-Anschutz Medical Campus, 12401 East 17th Avenue, 7th Floor, Aurora, CO, 80045, USA.

Funding

PERSONALIZING EMERGENCY/ACUTE THERAPEUTICS UTILIZING SYSTEMS BIOLOGY (PEGASUS)R35GM124939 · NIGMS · UNIVERSITY OF COLORADO DENVER · PI MONTE, ANDREW ALBERT · 2017 to 2021
$2.1M
A COVID-19 Pulmonary Outcome Clinical Prediction Rule Using EpigeneticsF32HL160123 · NHLBI · UNIVERSITY OF COLORADO DENVER · PI ARNOLD, COSBY · 2021 to 2022
$157k
NHLBI NIH HHS 1F32HL160123-01NHLBI NIH HHS F32 HL160123NIGMS NIH HHS R35 GM124939
6 · The paper itself

Abstract

backgroundAlthough biological males and females are equally likely to become infected with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), evidence has mounted that males experience higher severity and fatality compared to females. MAIN: The objective of this review is to examine the existing literature on biological mechanisms underlying sex-based differences that could contribute to SARS-CoV-2 infection clinical outcomes. Sex-based differences in immunologic response and hormonal expression help explain the differences in coronavirus disease 2019 (COVID-19) outcomes observed in biological males and females. X inactivation facilitates a robust immune response to COVID-19 in females, who demonstrate a more profound antibody response and faster recovery when compared to males. Low testosterone levels also help explain the dysregulated inflammatory response and poor outcomes observed in some males with COVID-19. Gender differences in health expression and behaviors further compound these observed differences.

conclusionUnderstanding the biology of sex-based differences in COVID-19 severity and mortality could help inform preventative measures, treatment decisions, and development of personalized, sex-specific therapies.

Indexed as

COVID-19FemaleHumansImmunityMaleSARS-CoV-2Sex CharacteristicsSex FactorsCOVID-19GenderSARS-CoV-2Sex

Identifiers

PMID35246245
PMCPMC8894555

What OpenQuestion holds

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Registered trials

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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 OpenQuestion graph.