为了解我市城乡小学生蛔虫感染的情况，我们于1990年10～11月用直接涂片法对本市3所小学的学生进行蛔虫感染情况的调查，共检查1872名小学生，查见蛔虫感染者238例，其感染率为12．7％，男、女生感染率分别为11％（106／967）和14．6％（13／905），两者间有显著性差异（x2＝5? To understand the city's primary and secondary school students in our city roundworm infection, we used direct smear method in October 1990 to 3 primary schools in the city of students roundworm infections were investigated, a total of 1872 primary school students were inspected, found 238 Ascaris infection Cases, the infection rate was 12.7%, male and female infection rates were 11% (106/967) and 14.6% (13/905), there was a significant difference between the two (x2 = 5?