Imsang kŏmsa wa chŏngdo kwalli; Journal of Laboratory Medicine and Quality Assurance; 임상검사와 정도관리
2006년에 시행된 혈액은행 신빙도 조사의 결과는 다음과 같았다.
1. 참여기관은 1차에 416기관, 2차에 432기관, 3차에 421기관으로 전년도에 비하여 증가 추세를 보였으며 검체 발송기관에 대비한 회신율은 각각 97.6%, 97.5%, 및 98.6%로 전년도에 비하여 높아졌다. 평가 종목은 ABO 혈액형검사, Rh(D) 혈액형 검사, 교차적합시험 검사, 직접항글로불린 검사, 비예기항체 선별검사 및 동정검사 등 6가지였다.
7. 교차시험에서 중복 오답 기관은 모두 20기관이었고 의원이 1기관, 2차병원이 18, 군병원이 1기관이었다. 3회 모두 오답을 낸 기관은 2차병원에서 2기관이 있었다.
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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