Hepcidin (ng/ml)   r P
Iron (ug/dl) 0.843 <0.001**
Ferritin (ng/ml) 0.825 <0.001**
Hb (gm/dl) -0.611 <0.001**
Table 3: Correlations of hepcidin with serum iron, serum ferritin and Hb levels in all patients.
N.B.
r=0-0.24 (weak correlation)
r=0.25-0.49 (fair correlation)
r=0.5-0.74 (moderate correlation)
r=0.75-1 (strong correlation)
** =P-value <0.001