Table 4.

Frequency of laboratory abnormalities among asthmatic and non-asthmatic groups with COVID-19

Test	Asthmatic Total tests n=27		Non-Asthmatic Total tests n=19		χ2	P-value
	N	%	N	%
High D-Dimer	3	11.1%	9	47.4%	-	0.015§
High ferritin	6	22.2%	11	57.9%	6.091	0.014‡
High LDH	7	25.9%	15	78.9%	12.564	<0.001‡

LDH: lactate dehydrogenase, N: number. χ²=chi-squared test;

^‡Pearson chi-squared test;

^§Fisher’s exact test.