. 2022 Mar 7;13:827146. doi: 10.3389/fimmu.2022.827146

Table 1.

Baseline characteristics of patients included in the study.

	Overall (n=41)	Negative control (n=9)	Mild COVID-19 (n=9)	Severe COVID-19 (n=23)	p-value
Age (years)*	62.6 ± 14.5	58.9 ± 12.1^a,b	59.0 ± 19.0^c	65.5 ± 13.4	^a0.210 vs Severe COVID-19 ^b0.284 vs Mild COVID-19 ^c0.988 vs Severe COVID-19
Male sex (%)	26 (63.4)	6 (66.7)^d,e	5 (55.6)^f	15 (65.2)	^d0.938 vs Severe COVID-19 ^e0.629 vs Mild COVID-19 ^f0.612 vs Severe COVID-19

*mean ± S.D.

The superscript refers to individual p-value of each parameter.