Fig. 1. The standard deviation (SD) scatter plots of patient serum samples for thyroid-stimulating hormone (TSH) measurement using four assay platforms: (A) UniCel DxI 800, (B) Cobas 8000 e801, (C) Atellica IM 1600, and (D) Alinity i. The instruments used were from UniCel DxI 800 immunoassay System (Beckman Coulter Inc., Brea, CA, USA), Cobas 8000 e801 analyzer (Roche Diagnostics, Mannheim, Germany), Atellica IM 1600 analyzer (Siemens Healthineer, Erlangen, Germany), and Alinity I (Abbott, Slingo, Ireland).

Lab Med Qual Assur 2024;46:200~207 https://doi.org/10.15263/jlmqa.2024.46.4.200

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