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报告浙江省南方农村92346名劳动人口队列调查结果:暴露组(E)服左旋咪唑驱蛔10911人,有5人发生脑炎,罹患率4.58/万;非暴露的两个对照组,即普查乡村组(N_1)37990人和毗邻乡村组(N_2)43445人,均无脑炎发生,罹患率均为0/万。E分别与N_1和N_2之间的差别,统计学上有极显著性意义(E与N_1之间,P<0.001;E与N_2之间,P<0.001)。表明左旋咪唑与脑炎之间,存在因果关系,其特异危险度(AR):45.8/10万,女性AR:93.8/10万。男女性别发病率差异无显著性(P>0.025)。
Report 92,446 rural population in southern Zhejiang province survey of the labor force population: exposure group (E) taking levamisole roundworm 10911 people, 5 encephalitis occurred, the attack rate of 4.58 / million; non-exposed control group that census There were 37990 people in group (N_1) and 43445 people in adjacent rural group (N_2) without encephalitis. The attack rate was 0 / 10,000. E and N_1 and N_2, respectively, were statistically significant (E and N_1, P <0.001; E and N_2, P <0.001). Levamisole and encephalitis showed a causal relationship between the specific risk (AR): 45.8 / 100000, female AR: 93.8 / 100000. There was no significant difference in the incidence of male or female sex (P> 0.025).