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目的：加强大中专学校学生的结核病监测与防治。方法：于1992－1997年先后对黔南州部分大中专人学新生查验卡痕，对受试者做结素试验。结果：平均卡痕率为31．47％，卡痕均径≥3mm为26．69％，结素试验卡痕均径≥3mm的阳性率显著高于卡痕均径＜3mm无卡痕者（P＜0．01）。结论：随着防治工作的深入开展，大中专学生结核的自然感染率未有上升；认为在大中专学校中开展结素试验十分必要，尤其对边远贫困地区。
Objective: To strengthen the monitoring and prevention and cure of tuberculosis in college students. Methods: In 1992-1997, some college students in Qiannan Prefecture were checked for marks, and the subjects were tested for knots. Results: The average carding rate was 31.47%, the average diameter of card marks ≥3mm was 26.69%, the positive rate of average card marks ≥3mm was significantly higher than that of the average diameter of card marks <3mm P <0.01). Conclusion: With the further development of prevention and treatment work, the natural infection rate of tuberculosis in college students has not risen. It is considered necessary to carry out the experiment in the schools of secondary and tertiary education, especially in remote and poor areas.