Prevalence and risk factors of hepatitis B infection among hemodialysis patients in Tabriz: a multicenter report.
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Hepatitis B virus (HBV) infection is an important issue in hemodialysis. Risk factors and local prevalence varies between different regions. The current study was undertaken to determine the prevalence of HBV infection and its associated risk factors among hemodialysis patients from five hemodialysis centers in Tabriz, a Northwestern Iranian city. Hepatitis B serologic markers were evaluated in chronic hemodialysis patients. Patients (n = 412) were divided into two groups: Group 1--patients with positive hepatitis B surface antigen (HBsAg) and Group 2--patients with negative HBsAg. The median age was 54.9 years (range, 13-90 years). Thirteen patients (3.2%) were found to be positive for HBsAg. Among the studied factors, the history of war injury was significantly associated with the risk of HBV infection (P = 0.023). In conclusion, our study shows that the risk of HBV infection among Tabrizian hemodialysis patients is a factor of dialysis-independent parameters.