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[Methodological assessment and bias estimation of two serum procalcitonin analysis systems]
Xiaona Zhou1, Ailin Wang, Shuyan Sun
1Department of Clinical Laboratory, First Hospital of Jilin University, Changchun 130021, China.
Objective:
To evaluate the comparability and bias of the test results of two detection systems for serum procalcitonin (PCT) under the same laboratory condition.
Methods:
According to the profile NCCLS-EP9-A, the two systems were used to detect PCT to obtain the correlation coefficient and the liner equation for evaluation of the test result bias.
Results And Conclusion:
The test results of PCT showed no significant difference between the two detection systems (P>005) with a kappa value greater than 0.75. The correlation coefficients of both systems were above 0.975, suggesting a consistency between them for clinical detection of PCT.
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