Table 3.

Protein C and S activity in different COVID-19 severity cases

	Disease severity			ANOVA test		Tukey’s test
	Mild, mean ± SD	Moderate, mean ± SD	Severe, mean ± SD	F	P-value	MI vs MO	MI vs S	MO vs S
Protein C	108.4 ± 24.72	85.58 ± 24.43	62.42 ± 12.47	20.74	< 0.001*	0.011*	< 0.001*	< 0.001*
Protein S	96.00 ± 27.63	67.37 ± 17.2	62.96 ± 17.8	10.84	< 0.001*	< 0.001*	< 0.001*	0.704

^*Statistically significant difference