If CRP and AGP are measured, inflammation can be adjusted for by either exclusion, the use of correction factors or linear regression approaches recently proposed by the Biomarkers Reflecting Inflammation and Nutritional Determinants of Anaemia project.115 Regression approaches have now been systematically developed and used to adjust for ferritin,116 zinc114 and VA113 values on a continuous scale. Here, ATP5MK is linked to anemia (phenotype).