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用SPRIA法对滇南多民族集居区个旧市部份城乡903个“正常个群”进行HBV感染的血清流行病学研究。HBsAg、抗—HBs及抗—HBc阳性率分别为19.%、33.0%及60.5%,HBV总感染率为66.9%,表明个旧市为乙型肝炎高发区。以上各率不同民族间均有显著差异,乡村均显著高于城镇。HBsAg阳性率男高于女,抗—HBs、抗—HBc阳性率及HBV感染率男女差异不显著;HBsAg阳性率随年龄增加而下降,抗—HBs阳性率随年龄增加而上升;各年龄组抗HBc阳性率及HBV感染率差异不显著。
A Serological Epidemiological Study of HBV Infection in 903 “Normal Populations” of Some Urban and Rural Areas in Gejiu City, Multi-ethnic Settlements, Southern Yunnan Province by SPRIA. The positive rates of HBsAg, anti-HBs and anti-HBc were 19.0%, 33.0% and 60.5% respectively, and the total HBV infection rate was 66.9%, indicating that Gejiu was a high incidence area of hepatitis B virus. There are significant differences among different ethnicities in the above rates, and the rural areas are significantly higher than the urban areas. The positive rate of HBsAg was higher in males than in females. The positive rates of anti-HBs, anti-HBc and HBV infection were not significantly different between men and women. The positive rate of HBsAg decreased with the increase of age, and the positive rate of anti-HBs increased with the increase of age. HBc positive rate and HBV infection rate difference was not significant.