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为研究查病质量的综合指标，我们应用质控血清进行COPT双盲试验，跟踪考核现场血吸虫病查病质量。结果24个县共检测质控血清1147份，实际诊断符合率为65．34％，期望诊断符合率为59．61％。7项指标的聚类分析将24个县的查病质量分成好、中、差3类单位。提示该评估方法对跟踪现场查病质量具有较强的实用性，并进一步筛选出K、E、I、DI4项主要指标，分类正确率高达95％以上，因而该4项指标拟可用于评估现场COPT查病质量。
To study the comprehensive index of disease quality, we used quality control serum to conduct double-blind COPT test to track the quality of schistosomiasis check-ups on the spot. Results A total of 1147 quality control serums were detected in 24 counties. The actual diagnosis coincidence rate was 65.34%. The expected diagnostic coincidence rate was 59.61%. The clustering analysis of seven indicators divides the quality of disease-detecting in 24 counties into three categories: good, medium and poor. It is suggested that this assessment method has strong practicability for tracking the quality of disease detection in the field and further screened the main indexes of K, E, I and DI4, and the correct classification rate is more than 95%. Therefore, the four indicators are intended to be used in the assessment site COPT quality of the disease.