J Lab Med Qual Assur.
2006 Jun;28(1):27-39.
Annual Report on External Quality Assessment in Hematology in Korea (2005)
- 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 2005 with about 500 participating laboratories in Korea. We performed quality assessment for white blood cell count, hemoglobin, red blood cell count, platelet count, white cell differential count, red blood cell morphology. The response rate was more than 97%. The coefficients of variation in hemoglobin and RBC number was stable but variable in platelet number and WBC number according to measuring cell counts. Test results showed wide variation according to measuring machine and reagents.
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