Cited by 333COVID-19 Clinical Research StudiesSepsis Diagnosis and TreatmentInflammation biomarkers and pathways

Cytokine Levels in Critically Ill Patients With COVID-19 and Other Conditions

Open access
Kox, Matthijs, Waalders, Nicole J. B., Kooistra, Emma J., Gerretsen, Jelle, Pickkers, Peter·2020·JAMA

Abstract

This study compares levels of tumor necrosis factor α, IL-6, and IL-8 in critically ill patients with coronavirus disease 2019 (COVID-19) vs those with other critical illness to better characterize the contribution of cytokine storm to COVID-19 pathophysiology.

The claims and statistics of this paper haven’t been checked yet.

Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.

A few free checks a day · papers already verified open instantly · results are public

Integrity signals

Registry

Crossref · 10.1001/jama.2020.17052

Cites

7 of 7 references verified0 citation errors · 0 not checkable

Statistics

Claims the paper makes

The claims and statistics of this paper haven’t been checked yet.

Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.

A few free checks a day · papers already verified open instantly · results are public

Claims other papers make about this one

Each is checked against this paper’s own text: does it say what the citing paper says it does?

  • IL-6 levels in COVID-19 are considerably lower than in septic shock or CRS from other causes.

    “observed elevated IL-6 levels are considerably lower than e.g., in septic shock or CRS due to other causes”

    From COVID-19 and the human innate immune system (2021) · cites this paper as Kox et al., 2020

Self-check

Percentages, sums and reported differences re-computed from the paper’s own numbers.

The self-check needs the paper’s full text.

Cites

Flagged first, then by citations

1 of the 8 references couldn’t be matched to a known paper.

Cited by

Sorted by citations

Authors
Kox, M., Waalders, N. J. B., Kooistra, E. J., Gerretsen, J., & Pickkers, P.
Affiliations
Radboud University Medical Center (NL)
Corresponding author
Pickkers, Peter
Venue
JAMA
Published
2020-10-20
Volume
324
Issue
15
Pages
1565
ISSN
  • 0002-9955 (ISSN-L)
  • 0098-7484
OpenAlex
W3082201689
Cited by
333
References
8
Citations by year
2026: 5 · 2025: 17 · 2024: 27 · 2023: 32 · 2022: 74 · 2021: 135 · 2020: 43
FWCI
9.32
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • JAMA (publishedVersion, cc-by)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Infectious Diseases › COVID-19 Clinical Research Studies
  • Health Sciences › Medicine › Epidemiology › Sepsis Diagnosis and Treatment
  • Life Sciences › Immunology and Microbiology › Immunology › Inflammation biomarkers and pathways
Keywords
COVID-19 pandemic, cytokine storm, TNF-α, interleukin-6, interleukin-8, critically ill patients, cytokine levels, SARS-CoV-2, critical illness

About these checks

Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.

Statistics and arithmetic are recomputed, not judged.

Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.

What counts as a claim ›How we measure confidence ›How we check this ›

Are you an author, or do you see a problem with this page? Request a review