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  • Title: External quality assessment survey for hematological laboratories in China.
    Author: Peng M, Gu X, Wang W, Li X, Wang W, Yang ZH.
    Journal: Southeast Asian J Trop Med Public Health; 1999; 30 Suppl 3():1-5. PubMed ID: 10926251.
    Abstract:
    To evaluate the feasibility of improving external quality assessment (EQA), we set up an experimental EQA survey that included 465 participants in China. During the period of this survey, we checked the quality of the EQA samples, divided the participants into different groups, each laboratory's result was assessed by calculation standard deviation index (SDI). The reference values were determined to evaluate the accuracy for peer groups. The data showed that the stability of the EQA samples was acceptable. Except for WBC count of the Abbott group, the mean, median and reference values for each parameter were very close. We found that the main reason affecting the performance of the participants was not using the reagents. calibrator and QC material recommended by manufacturer. From this survey, we obtain a good reference for future improvement.
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