Liver test abnormalities in asymptomatic and mild COVID-19 patients and their association with viral shedding time

Table 2 Comparison of viral shedding time by liver tests and other characteristics

Characteristics		Viral shedding time (day, mean ± SD)	P value
Age, yr	14-29	10.31 ± 2.60	0.129
	30-49	10.55 ± 2.78
	≥ 50	10.96 ± 3.11
Gender	Male	10.27 ± 2.77	0.015
	Female	10.80 ± 2.78
BMI, kg/m2	< 27.9	10.62 ± 2.67	0.487
	≥ 28	10.90 ± 3.11
Comorbidities	Hypertension	10.51 ± 3.16	0.958
	Diabetes	11.04 ± 3.37	0.364
	Liver disease	10.41 ± 3.01	0.725
Disease type	Asymptomatic cases	9.26 ± 3.16	0.002
	Mild cases	10.62 ± 2.73
ALT	< 2×ULN	10.54 ± 2.78	0.983
	≥ 2×ULN	10.56 ± 2.74
AST	< 2×ULN	10.51 ± 2.76	0.033
	≥ 2×ULN	12.40 ± 3.57

ALT: Alanine aminotransferase; AST: Aspartate aminotransferase; BMI: Body mass index; ULN: Upper limit of normal; SD: Standard deviation.