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Article

National Program for External Quality Assessment of Chinese Newborn Screening Laboratories

by
Yuxuan Du
1,2,3,
Wei Wang
1,2,3,
Jiali Liu
1,2,3,
Zhixin Zhang
1,2,3,
Zhen Zhao
1,2,3,
Falin He
1,2,3,
Shuai Yuan
1,2,3 and
Zhiguo Wang
1,2,3,*
1
National Center for Clinical Laboratories, Beijing Hospital, Beijing 100730, China
2
National Center of Gerontology, Beijing Hospital, Beijing 100730, China
3
Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing 100730, China
*
Author to whom correspondence should be addressed.
Int. J. Neonatal Screen. 2020, 6(2), 38; https://doi.org/10.3390/ijns6020038
Submission received: 23 March 2020 / Revised: 4 May 2020 / Accepted: 5 May 2020 / Published: 9 May 2020
(This article belongs to the Special Issue Newborn Screening: Promoting Quality to Optimise Benefit and Reduce Harm)
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Abstract

Objectives: To analyze the coefficient of variation (CV) of external quality assessment (EQA) in Chinese newborn screening (NBS) laboratories. Method: EQA’s robust CV was analyzed by the Clinet-EQA evaluation system. Results: Participating laboratories of the EQA program increased annually. There was more than a 11-fold increase in phenylalanine (Phe) and thyroid stimulating hormone (TSH). It has shown a declining robust CV, which has tended to level off in recent years. The interquartile range (IQR) of Phe and TSH’s robust CV has decreased from 15.5% to 1.5% and from 22.8% to 1.8%, respectively. Compared to bacterial inhibition assay (BIA), the robust CV of Phe has been shown to be relatively reduced in the fluorescence assay and quantitative enzymatic assay (QEA). The robust CV by ELISA was relatively unstable compared to DELFIA and FEIA. In addition, the robust CVs of glucose-6-phosphate dehydrogenase (G6PD) and 17-alpha-hydroxy progesterone (17-OHP) by Genetic Screening Processor (GSP) were lower than other systems. The median of robust CV by non-derivatized MS/MS (Fenghua) in Phe and free carnitine were around 2.2–4.7% and 2.6–5.2%. Conclusion: Neonatal screening has developed rapidly in China and the majority of participant laboratories had satisfactory performance for the quantitative results.
Keywords: newborn screening; external quality assessment; coefficient of variation newborn screening; external quality assessment; coefficient of variation

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MDPI and ACS Style

Du, Y.; Wang, W.; Liu, J.; Zhang, Z.; Zhao, Z.; He, F.; Yuan, S.; Wang, Z. National Program for External Quality Assessment of Chinese Newborn Screening Laboratories. Int. J. Neonatal Screen. 2020, 6, 38. https://doi.org/10.3390/ijns6020038

AMA Style

Du Y, Wang W, Liu J, Zhang Z, Zhao Z, He F, Yuan S, Wang Z. National Program for External Quality Assessment of Chinese Newborn Screening Laboratories. International Journal of Neonatal Screening. 2020; 6(2):38. https://doi.org/10.3390/ijns6020038

Chicago/Turabian Style

Du, Yuxuan, Wei Wang, Jiali Liu, Zhixin Zhang, Zhen Zhao, Falin He, Shuai Yuan, and Zhiguo Wang. 2020. "National Program for External Quality Assessment of Chinese Newborn Screening Laboratories" International Journal of Neonatal Screening 6, no. 2: 38. https://doi.org/10.3390/ijns6020038

APA Style

Du, Y., Wang, W., Liu, J., Zhang, Z., Zhao, Z., He, F., Yuan, S., & Wang, Z. (2020). National Program for External Quality Assessment of Chinese Newborn Screening Laboratories. International Journal of Neonatal Screening, 6(2), 38. https://doi.org/10.3390/ijns6020038

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