NFKB1 and COVID-19: The box plot (Figure 2) shows that COVID-19 patients exhibited a higher median expression level of NF-κB [15 pg/mL; IQR 44.50–49.50] in contrast to the control group, in which the median expression level of NF-κB was 13 pg/mL with an IQR of 1.50–2.50.