Research Article

Diagnostic Values of Laboratory Biomarkers in Predicting a Severe Course of COVID-19 on Hospital Admission

Table 1

Blood cell count indexes and their formulas.

Blood cell count indexFormulas

AISI (aggregate index of systemic inflammation)Neutrophilplatelet count monocyte to lymphocyte
dNLR (derived neutrophil-to-lymphocyte ratio)Neutrophil/lymphocyte
MLR (monocyte-to-lymphocyte ratio)Monocyte/lymphocyte
MPR (mean platelet volume to platelet ratio)MPV/platelet count
NLPR (neutrophil-to-lymphocyteplatelet ratio)Neutrophil/lymphocyteplatelet count
PLR (platelet-to-lymphocyte ratio)Platelet count/lymphocyte
SII (systemic immune-inflammation index)Neutrophilplatelet-to-lymphocyte ratio
SIRI (systemic inflammation response index)Neutrophilmonocyte-to-lymphocyte ratio