Guo Jian-li, Xu Qin, Liu Yu-qing
Departmant of Health Protection, Hospital of Tsinghua University, Beijing 100084, China.
Zhonghua Yu Fang Yi Xue Za Zhi. 2006 Sep;40(5):355-8.
To understand the immune level of the purified protein derivative (PPD) and the present conditions of the tuberculosis among the collegians.
Standardized tuberculin testing with PPD 5 IU, social-demographic and epidemiological feature of tuberculosis were conducted in 105,239 freshmen from 33 universities in Beijing.
The scar rates of freshmen were 72.21%. The rates coming from cities were higher than those from countries. The scar rates were near equal for freshmen in different ages. However the rates were different evidently with the region where the students come from. The scar rates of freshmen from cities were 75.84%. The scar rates of the freshmen from countries were 62.78%. Tuberculosis infection rate of the freshmen was 51.99% and the strong positive rate was 14.63%. Tuberculosis positive rate of city students was obviously higher than that of rural ones. Tuberculosis positive rate of city students was 55.17% and the strong positive rate was 15.37%. Tuberculosis positive rate of rural students was 44.69% and the strong positive rate was 12.70%. There appeared great difference between them. Moreover, Tuberculosis infection rate was varied with age and region. The tuberculosis positive rate of students from north-east areas was the highest (72.10%, 7,746/10,744), and those come from the middle-north areas were the lowest (41.50%, 6,560/15,808). The tuberculosis positive rate (62.49%, 47,489/75,992) of the freshmen with the scar was higher than that of those without the scar (24.72%, 7,230/29,247). The tuberculosis positive rate of the freshmen having a touch with the tuberculosis cases (60.75%) was higher than those having not (51.96%).
As students in universities are susceptible population of tuberculosis, it should be emphasized to find out tuberculosis in university and to treat them early for the purpose of preventing the episode and explosion of the disease.
了解大学生结核菌素纯蛋白衍生物(PPD)免疫水平及结核病患病现状。
对北京市33所高校的105239名新生进行PPD 5 IU标准化结核菌素试验,并调查结核病的社会人口学和流行病学特征。
新生中曾感染结核菌的比例为72.21%。城市生源高于农村生源。不同年龄新生的曾感染结核菌比例相近,但不同地区间差异明显。城市生源新生的曾感染结核菌比例为75.84%,农村生源新生为62.78%。新生结核病感染率为51.99%,强阳性率为14.63%。城市学生结核病阳性率明显高于农村学生。城市学生结核病阳性率为55.17%,强阳性率为15.37%;农村学生结核病阳性率为44.69%,强阳性率为12.70%,两者差异显著。此外,结核病感染率随年龄和地区而异。东北地区学生结核病阳性率最高(72.10%,7746/10744),中北部地区学生最低(41.50%,6560/15808)。有结核菌感染史的新生结核病阳性率(62.49%,47489/75992)高于无感染史的新生(24.72%,7230/29247)。接触过结核病患者的新生结核病阳性率(60.75%)高于未接触过的新生(51.96%)。
大学生是结核病易感人群,应重视高校结核病的筛查和早期治疗,以预防结核病的发生和流行。