Research Article

Predictive Immunological, Virological, and Routine Laboratory Markers for Critical COVID-19 on Admission

Table 2

Comparison of laboratory markers in mild, severe, and critical COVID-19, median and IQR.

Mild (n = 47)Severe (n = 32)Critical (n = 38) value

Ferritin (ng/mL)117 (69.0–300.0)437.0 (215.0–709.0)1107 (582–2435) < 0.001
D-dimer (ng/mL)218 (106.7–354.2)291.0 (187.5–2008.0)533.0 (290.0–2153.0) = 0.007
NLR2.5 (1.9–3.5)3.6 (2.5–6.8)8.1 (4.1–13.7) < 0.001
CRP (mg/dL)0.9 (0.3–4.7)5,6 (2.8–11.8)17.4 (10.0–23.7) < 0.001

Abbreviations: COVID-19, coronavirus disease 2019; CRP, C-reactive protein; IQR, interquartile range; NLR, neutrophil/lymphocyte ratio.