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目的调查部分在校大学生面部蠕形螨感染情况,分析其影响因素,为进一步防治蠕形螨提供依据。方法采用透明胶带粘贴过夜法分别对医学技术系本科09、11级各5个班级408名在校大学生进行皮肤蠕形螨检查。结果蠕形螨总感染率为28.19%,09、11级感染率分别为36.93%和17.74%。不同年级本科生之间感染率差异有统计学意义(P<0.001)。男性、女性感染率分别为22.11%和30.03%。不同性别蠕形螨感染率差异无统计学意义(P>0.05)。油性、中性和干性肤质者感染率分别为36.53%、25.41%和13.33%。油性和中性肤质与干性肤质比较蠕形螨感染率差异有统计学意义(P<0.05)。鼻翼、额和面部其他部位感染率分别为35.68%、15.00%和23.07%。鼻部与额部感染率差异有统计学意义(P<0.001);鼻与面部其它部位感染率差异无统计学意义(P>0.0125);额与面部其它部位感染率差异无统计学意义(P>0.0125)。轻度、中度、重度、极重度感染率分别占85.07%、10.45%、4.48%和1.49%。结论在校大学生蠕形螨感染较为普遍,大多为毛囊蠕形螨。蠕形螨感染可以通过同一宿舍增加相互感染的机会,因此应加强集体居住大学生蠕形螨感染的防治工作。
Objective To investigate the status of facial demodex infection in some college students and analyze the influencing factors to provide basis for further prevention and control of demodex. Methods Adopting transparent tape affixed overnight method to the medical technology department undergraduate 09, grade 5 in each of 408 class 408 undergraduates dermatological examination. Results The total infection rate of Demodex was 28.19%, and the infection rates of 09 and 11 were 36.93% and 17.74% respectively. The infection rates among different grades of undergraduates were statistically significant (P <0.001). Male and female infection rates were 22.11% and 30.03% respectively. There was no significant difference in the infection rates of Demodex between different sexes (P> 0.05). The infection rates of oily, neutral and dry skin were 36.53%, 25.41% and 13.33% respectively. There was significant difference in demodex infection rates between oily and normal skin and dry skin (P <0.05). The infection rates of nose, forehead and other parts of the face were 35.68%, 15.00% and 23.07% respectively. The infection rate of nose and forehead was significantly different (P <0.001). There was no significant difference in the infection rate between the nose and the face (P> 0.0125). There was no significant difference in the infection rate between the forehead and the other face (P > 0.0125). Mild, moderate, severe and very severe infections accounted for 85.07%, 10.45%, 4.48% and 1.49%, respectively. Conclusion Demodex infection in college students is more common, mostly Demodex folliculorum. Demodex infection can increase the chances of mutual infection through the same dorm, so we should strengthen the prevention and treatment of Demodex infection of collective living college students.