The Role of Inflammatory Indices in Predicting Intensive Care Unit Mortalıty in Critically Ill COVID-19 Patients
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Original Research
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The Role of Inflammatory Indices in Predicting Intensive Care Unit Mortalıty in Critically Ill COVID-19 Patients

J Turk Soc Intens Care 0;0(0):0-0
1. Yozgat City Hospital, Clinic of Anesthesiology and Reanimation, Yozgat, Turkey
2. University of Health Sciences Turkey, Dışkapı Yıldırım Beyazıt Training and Research Hospital, Clinic of Anesthesiology and Reanimation, Ankara, Turkey
No information available.
No information available
Received Date: 23.06.2023
Accepted Date: 02.10.2023
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ABSTRACT

Objective:

The estimation of disease severity based on early biomarkers may facilitate treatment and reduce mortality in patients with COVID-19. The present retrospective, observational study evaluates the role of different inflammatory indices in predicting mortality in COVID-19 patients.

Materials and Methods:

The prognostic value for the prediction of 30-day mortality of inflammatory parameters [C-reactive protein (CRP), ferritin, procalcitonin (PCT)] and [neutrophil-lymphocyte ratio (NLR), platelet-lymphocyte ratio (PLR), derived NLR (dNLR), systemic inflammation index (SII), C-reactive protein-to-lymphocyte ratio (CRP/L), C-reactive protein-to-albumin ratio, and neutrophi-lto-lymphocyte and platelet ratio (N/LP)] were evaluated upon the initial admission of 305 COVID-19 patients to the intensive care unit.

Results:

In this study, APACHE score, ferritin, PCT and CRP/L were significantly higher in the non-survivors than in survivors. No significant differences were found in the other inflammatory indices. High ferritin (p<0.001) and high APACHE scores (p<0.001) were identified as predictors of in-hospital mortality in a ROC curve analysis. Only a high ferritin level was identified as an independent risk factor for mortality in a multivariate regression analysis (p=0.002).

Conclusion:

Inflammatory indices were not identified as predictors of mortality in critically ill COVID-19 patients admitted to the intensive care unit in the present study; and only high ferritin levels among the parameters related to inflammation were identified as an independent risk factor for mortality.

Keywords: COVID-19, biomarker, inflammatory indices, ferritin, mortality

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