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KMID : 0361319770090010018
Korean Journal of Medical Technologists
1977 Volume.9 No. 1 p.18 ~ p.23
Comparative Analysis of Quality Control Status by Various methods


Abstract
As a part of the Quality Control Program 10 different chemistry items had been analysed and compared by means of the methods of X, Cusum and Average of normals. Of these methods the Cusum method was found to be most convenient and made us able to rule out early detection of discrepancies.
However, the tendency of outlier, unrest trend and shift of the test data had been observed through the study.
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