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目的了解甘肃省汉族乡村小学生的蛔虫感染情况,为制订蛔虫防治策略提供依据。方法采用分层整群随机抽样的方法,对甘肃省7岁、9岁2个年龄组600名汉族乡村小学男、女学生蛔虫感染情况进行调查。结果 2010年甘肃省汉族乡村小学男、女学生粪蛔虫卵检出率为3.50%,明显低于甘肃省汉族同一群体2005年粪蛔虫卵检出率,差异有统计学意义(χ2=56.05,P<0.01)。2010年乡村男生粪蛔虫检出率为3.67%,女生为3.33%;7岁、9岁年龄组粪蛔虫卵检出率分别为3.33%和3.67%,性别、年龄间差异均无统计学意义(P值均>0.05)。结论甘肃省汉族乡村小学生的蛔虫感染率已大幅下降,但仍要采取多项综合措施防止反弹。
Objective To understand the status of roundworm infection among Han nationality primary school students in Gansu Province, and to provide evidence for the prevention and control of roundworm. Methods A stratified cluster random sampling method was used to investigate the infection of roundworms in 600 Han primary and secondary school boys in 7-year-old and 9-year-olds in Gansu province. Results The detection rate of feces ascaris eggs among male and female students in Han nationality primary schools in Gansu Province was 3.50% in 2010, which was significantly lower than that of the same females in Gansu Han population in 2005 (χ2 = 56.05, P <0.01). In 2010, the detection rate of feces roundworm was 3.67% in rural boys and 3.33% in girls. The detection rates of feces roundworm eggs were 3.33% and 3.67% respectively in 7-year-old and 9-year-olds, with no significant difference between sexes and ages P value> 0.05). Conclusion The prevalence of Ascaris infection among Han nationality primary school students in Gansu Province has dropped significantly, but a number of comprehensive measures are still needed to prevent the rebound.