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KMID : 0985420070290010091
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Laboratory Medicine and Quality Assurance
2007 Volume.29 No. 1 p.91 ~ p.97
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Annual Report on External Quality Assessment in Blood Bank Tests in Korea (2006)
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Kwon Seog-Woon
Kim Dae-Won
Han Kyou-Sup
Kim Hyun-Ok
Seo Jang-Soo
Cha Young-Ju
Jeon Dong-Suk
Ryang Dong-Wook
Park Hyun-Jun
Lim Young-Ae
Kwon Kye-Chul
Lee Seon-Ho
Hwang Yoo-Sung
Kang Sung-Ha
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Abstract
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We report here the results of surveys for external quality assessment of blood bank tests performed in 2006. Response rates for the 1st, 2nd and 3rd trial were 97.6%, 97.5%, and 98.6%, respectively. Test items for the surveys were ABO grouping, Rh(D) typing, crossmatching, direct antiglobulin test, antibody screening and identification test. The average accuracy rates of ABO grouping and Rh typing were in the range of 98.6-100% and 61.4-100%, respectively. In crossmatching test, the accuracy rates were 97.8-98.6% for the compatible samples, 88.4-93.8% for the incompatible samples, and 87.6-93.3% for the samples which could be detected as incompatible only by antiglobulin method. The accuracy rates of direct antiglobulin test were 98.6-99.7% for negative samples and 96.1-98.9% for positive samples. The correct results were reported by 98.4-100% of the surveyed institutions for antibody screening test and 99.0-100% for identification test. Twenty institutions gave repeatedly incorrect answers for crossmatching. Two institutions out of them gave incorrect answers for all the test specimens sent out 3 times last year.
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KEYWORD
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external quality assessment, survey, blood bank tests
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