J Lab Med Qual Assur.
2008 Jun;30(1):29-47.
Annual Report on External Quality Assessment in Hematology in Korea (2007)
- Affiliations
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- 1Diagnostic Hematology Subcommittee, The Korean Association of Quality Assurance for Clinical Laboratory, Seoul, Korea. kckwon@cnu.ac.kr
Abstract
- Four trials of external quality assessment in diagnostic hematology were performed in 2007 with average 722 participating laboratories in Korea. We performed quality assessment for white blood cell count, hemoglobin, hematocrit, red blood cell count, platelet count, blood cell morphology, prothrombin time and activated partial thromboplastin time. The response rate was more than 95.2%. The coefficients of variation in hemoglobin, hematocrit and RBC were stable but variable in platelet count and WBC count according to measuring cell counters. Test results of blood cell morphology showed variation among various cell morphologies.
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