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KMID : 0376219810180020365
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Chonnam Medical Journal
1981 Volume.18 No. 2 p.365 ~ p.372
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Evaluation of Interlaboratory Quality Control in Chonnam Area
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柳柱容/Yoo, Joo Yong
朴彰洙/徐淳八/Park, Chang Soo/Suh, Soon Pal
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Abstract
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It goes without saying that quality control program is one of the indispensible factors for improving laboratory data.
But it has been neglected to manage quality control of laboratories in local clinics which take charge of the first-line duty of medical affairs.
This study is designed to interprete the present status of performance of various laboratory tests in laboratories in local clinics and establish a series of study of interlaboratory quality control program in Chonnam area.
In two times of quality control programs, 20 laboratories in local clinics and 4 laboratories in hospitals were included, which both hematological tests (RBC, WBC, Hb and Diff. count) and biochemical tests(SGOT,~ SGPT, TTT, sugar and amylase) that can be easily performed, and have a. important clinical information.
Healthy adult blood as a sample for the hematological tests was distributed to each laboratory, Monitrol II and pooled serum produced by Chonnam University Hospital were used in the biochemical tests.
The acceptable range of various laboratory tests was represented to the value of mean± 2SD determined by Chonnam University Hospital, and accuracy ratio(%) of each test items and test results of each laboratory determined.
The results obtained were as follows.
1. The accuracy ratio of laboratory data in each laboratory was more or less increased at the second time of quality control program than first, but above the half numbers of laboratories showed the accuracy ratio below 60% in the hematological and biochemical tests.
2. The accuracy ratio of each test items was also improved at- the second time of quality control program than first, the overall accuracy ratio of hema-tological tests was observed at 52.2% and biochemical tests, at 46.9%.
3. Laboratories in hospitals showed much better accuracy (hematological tests 70%, biochemical tests 80.6%) than laboratories in local clinics one (hematological test 49.5%, biochemical test 39.7%).
4. Difference of accuracy ratio of the test items was not evident in instruments, reagents and various laboratory tests except for the methods of hemoglobin determination.
5. It was very difficult to recognize the relevance between the accuracy ratio of laboratory data and medical technicians´ age and career.
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