Impressive agreement. But agreement is only reflecting precision, the analytical CV , while total error includes the bias ( accuracy) to determine accuracy a certified reference material or comparison with a definitive method is necessary this is ...

Hi Anna, I published a case report about this. The Roch assay uses the Trinder reaction, which IStat does not use, and is affected by β-hydroxybutyrate/ketone bodies. Please check the level of β-hydroxybutyrate https://pubmed.ncbi.nlm.nih.gov/41051221/ ...

Gotcha, i understand that. So... why? ------------------------------ Sean Campbell, PhD, DABCC, FADLM Clinical Biochemist, Sinai Health System ------------------------------

Thank you for sharing. I'll be looking forward to publication of the released document