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Table 4 Association of serum level of IL-6 (pg/ml) among different categories of COVID-19 patients and healthy controls (n = 112)

From: Association of interferon gamma inducible protein-10, monocyte chemoattractant protein-1, macrophage inflammatory protein-1 alpha, interleukin-6, and rs12252 single nucleotide polymorphism of interferon-induced transmembrane protein-3 gene with the severity of COVID-19 infection

Category of patients

IL-6 (pg/ml) (mean ± SD)

Mean rank

p-value

Control

3.1 ± 1.6

17.6

 < 0.001

Moderate

83.4 ± 148.1

67.8

Severe

57.5 ± 70.6

62.2

Critical

108.3 ± 139.4

78.4