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用反向间接血凝法(RPHA)调查健康人群乙型肝炎表面抗原(HBsAg)感染情况。结果:普查2,544人,HBsAg阳性率为15.56%。其中有肝病史者912人,阳性率为23.5%;无肝病史者1,632人,阳性率为11.2%;两组HBsAg阳性率差别非常明显(P<0.001)。无肝病史人群HBsAg阳性率是:家属有肝病史者为28.2%;化工人员为17.9%;食堂工
Hepatitis B surface antigen (HBsAg) infection in healthy population was investigated by reverse indirect hemagglutination (RPHA). Results: In the census of 2,544 people, the positive rate of HBsAg was 15.56%. Among them, there were 912 patients with history of liver disease, the positive rate was 23.5%. There were 1,632 persons without history of liver disease, the positive rate was 11.2%. The difference of HBsAg positive rate between the two groups was significant (P <0.001). The positive rate of HBsAg in the population without history of liver disease was 28.2% of the family members had history of liver disease, 17.9% of chemical workers, and the canteen workers