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KMID : 0375319920140010081
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Journal of Clinical Pathology and Quality Control
1992 Volume.14 No. 1 p.81 ~ p.86
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Evaluation of IMx System (MEIA) in the Determination of TSH Concentration
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Abstract
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Microparticle enzyme immunoassay (MEIA) for thyrotropin(TSH) was evaluated and results were compared with those of immunoradiometric assay(IRMA) procedure.
The lower limit of detection of the assay(Mean+3SD of the zero standard) was 0.00 mIU/L. coefficient of variations of the assay(Mean+3SD of the zero standard) was 0.00mIU/L. Coefficient of variations of within day precision was 2.6-7.9% and those
of
between day precision was 6.6-11.1%. Over the range 0.00 mIU/L~37.4mIU/L, correlation between the MEIA(Y) and two site IRMA(X) was excellent (Y=1.763X-0.2362, r=0.9958). TSH concentrations measured in 828 healthy subjects were ranged from
0.4mIU/L
to
3.2mIU/L (mean 1.25mIU/L, SD 0.61).
Conclusively, MEIA is more fully automated than IRMA, well correlated with IRMA, can be reliable method for screening test of thyroid function.
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KEYWORD
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