Respiratory failure & ventilation

Prognostic Value of Lung Injury Biomarkers in Patients Hospitalized With COVID-19 Without Respiratory Failure at Admission

Crit Care MedPublished Nested case-control study

Main finding · Association of baseline lung injury biomarkers with progression to respiratory failure or deathResult — go to the resultOdds ratio 1.85 95% CI 1.61–2.12

Authors' conclusion

Baseline levels of plasma lung injury biomarkers are significantly associated with progression to respiratory failure or death among hospitalized COVID-19 patients without respiratory failure at admission.

Study context

Population
Adults hospitalised with COVID-19 pneumonia without respiratory failure at admission (<20 L/min supplemental oxygen) in the ACTIV-3/TICO platform trial
Participants
405 vs 405
Comparison
Baseline lung injury biomarkers: cases vs matched controls
  • Casesn = 405
  • Controlsn = 405reference
Outcome
Association of baseline lung injury biomarkers with progression to respiratory failure or death
Methodological detailsmatched 1:1 on age, baseline oxygen requirement, immunomodulator use, and study arm, nested in the ACTIV-3/TICO platform trial
  • Matched 1:1 on age, baseline oxygen requirement, immunomodulator use, and study arm
  • Nested in the ACTIV-3/TICO platform trial

Main finding

As reported in the abstract

Odds ratio

1.85

95% CI 1.61–2.12

sRAGE (per doubling)
OR 1.85 (95% CI 1.61–2.12)

Per doubling, as printed

Observational data: associations, not effects.

Further findings

Independent association (multivariate model, forward selection)

sRAGE, IL-6 and C-reactive protein (CRP) independently associated with progression; sRAGE strongest

Parts of this Brief are withheld: the automatic checks could not confirm them against the abstract.

Original publication

Prognostic Value of Lung Injury Biomarkers in Patients Hospitalized With COVID-19 Without Respiratory Failure at Admission. Crit Care Med. Published 26 May 2026. doi:10.1097/ccm.0000000000007178

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