唐山市大学生面部蠕形螨感染情况调查

Facial Demodex Infection among College Students in Tangshan

2008年对唐山市4所高校512名大学生进行了蠕形螨感染情况调查。结果显示,大学生面部蠕形螨的总感染率为36.3%(186/512),其中男、女性感染率分别为39.3%(81/206)和34.3%(105/306)(P>0.05)。在蠕形螨感染者中,毛囊型、皮脂型和混合型分别占82.3%(153/186)、7.5%(14/186)和10.2%(19/186);额部、鼻尖部和鼻翼侧的感染分别占43.0%(80/186)、50.0%(93/186)和31.7%(59/186)。不同皮肤类型的感染率不同,油性、干燥型和混合型皮肤的感染率分别为47.0%(93/198)、26.6%(37/139)和33.9%(56/165),三者差异有统计学意义(P<0.05)。面部有酒糟鼻和痤疮等疾患者蠕形螨的感染率为62.0%(75/121),高于面部无疾患者(27.6%,80/290),两者差异有统计学意义(P<0.05);居住环境潮湿者感染率为67.9%(95/140),远高于居住环境干燥者(24.5%,91/372),两者差异有统计学意义(P<0.05)。

A survey indicated that the prevalence of Demodex infection among 512 college students in Tangshan was 36.3% （186/512）, that of males and females was 39.3% （81/206） and 34.3% （105/306） respectively （P〉0.05）. The infection of Demodex folliculorum accounted for 82.3% （153/186）, followed by D. brevis （7.5%, 14/186） and mixed infection （10.2%, 19/186）. The prevalence was 47.0% （93/198） in subjects with oily skin, 26.6% （37/139） in those with dry skin, and 33.9% （56/165） in mixed-type skin （P〈0.05）. Subjects with facial diseases （62.0%, 75/121）, such as rosacea and ache, were more likely to be infected with Demodex than those with healthy skin （27.6%, 80/290） （P〈0.05）. Prevalence in those lived in humid environment （67.9%, 95/140） was higher than those lived in the desiccating environment （24.5%, 91/372） （P〈0.05）.