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目的了解绵阳市疑似肺结核患者的痰涂片和痰培养中结核分枝杆菌的阳性检出率情况。方法收集经胸片复查后疑似活动性肺结核患者的痰进行涂片和培养,并对检测出的结果进行比较分析。结果直接痰涂片样本里,男性和女性阳性率分别为0.68%和0.31%,阳性检出率为0.94%,差异无统计学意义(P>0.05);而罗氏培养样本里,男性和女性的阳性率分别为3.76%和0.43%,痰培养阳性检出率为4.19%,差异有统计学意义(P<0.05)。两种方法进行抗酸检测的样本中,罗氏培养的阳性率是痰涂片阳性率的6.59倍,差异有统计学意义(P<0.01)。结论绵阳市肺结核患病率低于全国,男性患病率高于女性。
Objective To understand the positive detection rate of Mycobacterium tuberculosis in sputum smear and sputum culture of patients with suspected pulmonary tuberculosis in Mianyang City. Methods The smear and culture of sputum from patients with suspected active pulmonary tuberculosis after the recheck of thoracic films were collected and the results of the tests were compared and analyzed. Results In direct sputum smear samples, the positive rates of male and female were 0.68% and 0.31%, respectively, and the positive rate was 0.94% (P> 0.05). However, in the Roche culture samples, male and female The positive rates were 3.76% and 0.43%, respectively. The positive rate of sputum culture was 4.19%, the difference was statistically significant (P <0.05). The positive rate of Roche culture was 6.59 times of the positive rate of sputum smear in the two methods for acid-fast detection, the difference was statistically significant (P <0.01). Conclusion The prevalence of tuberculosis in Mianyang City is lower than that of the whole country, and the prevalence rate of male is higher than that of female.