[Proficiency testing for 11 clinical biobanks in Beijing City: simulation study and result analysis]

Q Zhang1, Y Zhang2, L Han3

  • 1Department of Clinical Laboratory, Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing 100730, China.

Summary

Clinical biobanks in Beijing demonstrated good storage proficiency for protein markers. However, sample preparation quality varied, with recombinant human creatine kinase showing high variability, suggesting preparation is key for biobank quality control.