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目的:开展实验室室间质量评估(EQA),提高全市痰检质量。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,2005-2008年对所辖各县实验室进行室间质控,共抽查4 905张痰涂片。结果:通过开展室间质量评估,痰涂片的5项质量标准普遍提高,阳性符合率从2005年的91.8%提高到2008年的100%,阴性符合率从2005年的98.2%提高到2008年的99.4%。结论:采取室间质量评估是提高痰涂片质量的重要保证。
Objective: To carry out laboratory quality assessment (EQA) to improve the quality of sputum examination in the city. Methods: According to the requirements of Quality Assurance Manual of Sputum Sputum smear in Tuberculosis Prevention and Control Program of China, between 2005 and 2008, laboratory quality control was carried out in all counties under the jurisdiction. A total of 4 905 sputum smear samples were randomly selected. Results: Through the inter-laboratory quality assessment, the five quality standards of sputum smear generally increased, the positive coincidence rate increased from 91.8% in 2005 to 100% in 2008, and the negative coincidence rate increased from 98.2% in 2005 to 2008 Of 99.4%. Conclusion: It is an important guarantee to improve the quality of sputum smear by taking the inter-laboratory quality assessment.