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目的分析2012—2013年新疆博湖县中小学新生结核菌素(PPD)试验结果,为预防结核病提供参考依据。方法对2012—2013年博湖县中小学新生进行PPD试验,并综合分析试验数据,PPD试验72 h后观察结果,皮肤硬结≥5mm为阳性、≥20 mm或局部有水泡、坏死、淋巴管炎为强阳性。结果 2012—2013年共对全县中小学入校新生2 122人进行PPD试验,阳性538人,阳性率25.35%,其中:汉族学生1 042人、阳性率22.84%,少数民族学生1 080人、阳性率29.48%,各民族差异无统计学意义(χ2=6.37,P>0.05);城镇学生838人、阳性率20.64%,农村学生1 281人、阳性率28.49%,差异有统计学意义(χ2=14.85,P<0.05)。结论对强阳性的新生进行的强制性复诊,对于阳性、中度阳性、弱阳性的新生也有重要的意义,从而实现早期干预结核病在中小学的传播。
Objective To analyze the results of tuberculin (PPD) test of primary and secondary freshmen in Bohu County in Xinjiang from 2012 to 2013, and provide reference for prevention of tuberculosis. Methods The freshmen of Bohu Primary and Secondary School from 2012 to 2013 were tested by PPD and the data were analyzed comprehensively. The results of PPD test after 72 h were positive for ≥5 mm of skin induration, ≥20 mm or local blisters, necrosis and lymphangitis Strongly positive. Results A total of 2 122 freshmen from primary and secondary schools were enrolled in the PPD test from 2012 to 2013, with a positive rate of 538, with a positive rate of 25.35%. Among them, there were 1 042 Han students, the positive rate was 22.84%, and 1 080 minority students were positive (Χ2 = 6.37, P> 0.05). There were 838 urban students with a positive rate of 20.64% and a rural population of 1 281 with a positive rate of 28.49%, with a significant difference (χ2 = 14.85, P <0.05). Conclusions The compulsory referral to newly diagnosed neonates is also of great significance to freshmen who are positive, moderately positive and weakly positive, so that the early intervention of tuberculosis can be transmitted in primary and secondary schools.