TABLE 4. Predicted outcome after an infection with hepatitis A virus Predicted outcome Parameter children (<5 yr) Adults Inapparent infection 80-95% 10-25% Anicteric or icteric 5-20% 5_90% sIsease Complete recovery 99+% 98+% Chronic disease None Mortality rate ≤14yr 0.1% 15-39yr 0.3% ≥40yr 2.1% asee text regarding atypical manifestations of hepatitis A 婴幼儿以隐形感染居多,成人感染则多显性婴幼儿以隐形感染居多，成人感染则多显性