Abstract
Objective: In this study, we aim to determine the relationship between neutrophil/lymphocyte ratio (NLR), D-dimer, and mean platelet volume (MPV) parameters with mortality and clinical severity in Covid-19 patients. Materials and Methods: This retrospectively planned study included Covid-19 patients admitted to the emergency department between March 2020 and September 2020. Sociodemographic characteristics, laboratory parameters, and imaging results of the patients were obtained. The patients were grouped according to the development of mortality and clinical follow-up. Results: Seven hundred patients were included in the study and the mean age of the patients was 49.1±18.2 years. Mortality developed in 5.4% (n=38) of the patients. NLR, D-dimer, and MPV levels of patients who developed mortality were higher than those who survived (p<0.001; p <0.001 and p=0.035, respectively). In ROC analysis, >6 NLR levels, >8.45 MPV levels, and >0.57 D-dimer levels were found to be predictive for mortality (p<0.001; p=0.019; p <0.001, respectively). Conclusions: The high NLR, D-dimer, and MPV levels obtained at the time of admission in Covid-19 patients can be used as an indicator of mortality. Elevated NLR and D-dimer levels are useful in determining the severity of the disease and clinical follow-up.
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