Table 4.

Distribution of C3 and C4 across study groups

Study groups	C3 and C4
	N C3 N C4	N C3 L C4	N C3 HC4	L C3 N C4	L C3 L C4	H C3 N C4	H C3 H C4
COVID-19 (n=70)	47(67.1)	1(1.4)	5(7.1)	7(10.0)	2(2.9)	5(7.1)	3(4.3)
Pneumonia (n=30)	10(33.3)	0(0.0)	0(0.0)	5(16.7)	0(0.0)	14(46.7)	1(3.3)

N=Normal; L=Low; H=High