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Abstract
Tsai J-F, Jeng J-E, Chang W-Y, Lin Z-Y, Tsai J-H. Antibodies to hepatitis E and A viruses among patients with non-alcoholic chronic liver disease in Taiwan. Scand J Gastroenterol 1994;29:651-654
Background: The prevalence of hepatitis E virus (HEV) and hepatitis A virus (HAV) infection in patients with non-alcoholic chronic liver disease (CLD) was assessed.
Methods: Antibody levels to HEV (anti-HEV) and HAV (anti-HAV) were evaluated in 100 pairs of CLD patients and healthy controls.
Results: The prevalence of anti-HEV was higher in patients (10.0%) than in controls (0%; p = 0.0001). There was no difference in anti-HAV positivity between patients (95%) and controls (93%). The patient group with anti-HEV was older (p equals; 0.024) and had more smokers (p equals; 0.03), having a higher prevalence of antibodies to hepatitis C virus (p equals; 0.02). Patients with anti-HAV were older than patients without (p equals; 0.0001). The prevalence of anti-HAV in patients more than 30 years old was higher than younger patients (95.1% versus 73.6%, p equals; 0.011). Conclusion: HEV may superinfect on chronic liver disease in an area hyperendemic for hepatitis A and B.