HAMP and anemia (phenotype): However, compared to non-anaemic men, men with anaemia had hepcidin concentrations that were twice as low (x ̄ = 155.97 ng/mL vs. x ̄ = 82.09 ng/mL, respectively), and IL-6 concentrations that were marginally higher (x ̄ = 12.91 pg/mL vs. x ̄ = 15.59 pg/mL, respectively).