甘肃省结核病痰涂片省对县室间质量控制结果分析

目的评价甘肃省各级结核病实验室工作质量，更好为结核病控制工作服务。方法按照《中国结核病防治规划痰涂片镜检质量保证手册》的要求，对各级结核病实验室进行室间质控，并对结果进行分析。结果2004—2007年省对县痰涂片盲法复检阳性符合率89.0%，阴性符合率99.7%，痰涂片的5项质量指标普遍低于国家标准，出现严重错误的实验室占39.4%，现场评价和批量测试结果均良好。结论室间质控的实施提高了甘肃省痰涂片复检符合率，改善了实验室的建设，提高了痰检人员的业务能力，室间质控更具科学性。

The external quality assessment of TB sputum smears between province and county in Gansu

Objective To evaluate the quality of laboratory at all levels in Gansu for effective TB control. Methods According to the instructions of The manual of examination quality assur-ance of sputum smear in China Tuberculosis Programme, external quality assessment has been ira-plemented in TB laboratories at all levels and the acquired results have been analyzed. Results From 2004 to 2007, the consistency positive rate of sputum smear between province and county was 89.0%, the consistency negative rate was 99.7%, the five quality indexes of sputum smear were lower than national standards, laboratory which had an serious error accounted for 39.4 %, results of on-site evaluation and volume testing were well. Conclusions The implementation of external quality assessment raises the review rate of sputum smear in Gansu, which improves the construc-tion of laboratory, increases operational capacity of sputum smear technician and makes the external quality assessment more scientific.