Among the iron-supplemented IR ( Fe-IR , n = 80 ) infants S-ferritin was , compared to non-iron-supplemented ( NS ) IR infants ( NS-IR , n = 74 ) , significantly higher ( 47.5 vs. 20.7 microg/L , p = 0.04 ) , and S-zinc significantly lower ( 9.7 vs. 10.5 micromol/L , p = 0.04 ) .
