Table 4. Demographic and clinical characteristics of cases met the surveillance case definition for Hepatitis A of China and United States.

Characteristics	Patients met case definition of HepA in China (N=206)	Patients met case definition of HepA in the United states (N=159)	P value
Age, years (mean ± SD)	46±13	43±12	0.113
Gender (% male)	62.1	67.9	0.251
Median ALT, U/L	1,014.8 (range: 16–8,586)	1,789.1 (range: 202–8,586)	0.000
Median TBIL, μmol/L	85.1 (range: 3.2–1,615)	131.5 (range: 10.40–1,616)	0.037
Detection rate of HAV RNA in sample, N (%)	116 (56.31%)	114 (71.70%)	0.003

HepA, hepatitis A; ALT, alanine transaminase; TBIL, total bilirubin; RNA, Ribonucleic Acid; CDC, Centers for Disease Control and Prevention.