Fig. 1From: Comparison of two ferritin assay platforms to assess their level of agreement in measuring serum and plasma ferritin levels in patients with chronic kidney diseaseScatter plots showing the relationship between ferritin levels as measured by the Ortho-Clinical Diagnostics Vitros 7600 platform versus the Abbott ARCHITECT i1000 platform; a Top End of Australia, b Central Australia, c combined Top End and Centralia Australia. Correlation is less tight at higher ferritin levels above 500 µg/LBack to article page