桂林市中小学生感染蠕形螨与流行病学调查分析

An Analysis of the Investigation on Demodectic Infection and Epidemics in Middle School Students and Pupils

本文报告桂林市中小学生２４６５人蠕形螨感染情况及流行病学调查分析，阳性者２６５人，总感染率为１０．７５％（２６５／２４６５），高中生为１４．１９％（１２１／８５３），初中生为１０．４６％（７９／７５５），小学生为７．００％（６０／８５７），面部皮损者１５３人，阳性３７人，阳性率为２４．１８％（３７／１５３），对照组（面部无皮损者）１５０人，阳性１３人，阳性率为８．６７％（１３／１５０），分析结果表明，随年龄增长，其感染率增高。面部皮损者感染率明显高于无皮损者（ｘ２＝１２．１３，Ｐ＜０．０１）。

Here is the report of the results of an investigation on demodectic infection and epidemics in middle school students and pupils,2465 subjects were investigated,and 265 of them showed positive, the infection rate being 10. 75%(265/ 2465),with senior students 14.19%(121/853),junior students 10.46%(79/775),and pupils 7.00%(60/857).In the control group(without facial lesions)of 150 subjects,13 showed positive,at the rate of 8. 67%(13/150).The results showed that infection rate increased with age and it is obviously higher in those with facial lesions than those without(x2= 12. 13,P<0. 01).