Publication date: Oct 01, 2024

This study aimed to investigate the roles of cytokines and other laboratory parameters in determining the need for intensive care in COVID-19 patients. This is a retrospective observational study. Demographic, clinical, and laboratory parameters of the patients were evaluated. Thirteen cytokines were measured along with baseline laboratory tests at admission and at 48-hour intervals: IL-1β, IFN-α, IFN-β, TNF-α, MCP-1, IL-6, IL -8, IL-10, IL-2p70, IL-17A, IL-18, IL-23, and IL-33. COVID-19 was confirmed by PCR in 116 hospitalized patients. The mean age was 55. 3 +/- 16. 4 years. Seventy-four (63. 8%) of the patients were male and 42 (36. 2%) were female. Twenty-two (18. 9%) patients (16 male, 6 female) were transferred to the intensive care unit. A significant increase in white blood cell (WBC), neutrophil (Neu) and lymphocyte (Lym) counts, Neu/Lym ratio (NLR), lactate dehydrogenase (LDH), INR (international normalized ratio), activated prothrombin time (aPTT), D-dimer (D-D), troponin (Trop), Pro-BNP (BNP), procalcitonin (PCT), ferritin (Fer), and alanine aminotransferase (ALT) values were observed in those requiring intensive care. A significant decrease was found in albumin (Alb) levels and Lym counts. Alb levels appeared to be protective against admission to intensive care. Except for IFN- α, IL-23, and IL-33, the baseline values of other cytokines were above the threshold values. MCP-1 and IL-6 were higher in patients requiring intensive care. High NLR and LDH and low Alb levels, especially with an increase in MCP-1 and IL-6, were found to be the best predictors of a serious COVID-19 infection.

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