TKA patients with postoperative anaemia -LSB- haemoglobin ( Hb ) @-@ @ g dl ( -@ ) -RSB- without prior transfusions were randomly assigned to FCM -LSB- @-@ mg iron ( according to calculate iron deficit on postoperative day @ ) -RSB- or ferrous glycine sulphate ( FS ; @ mg iron daily from day @ onwards ) and followed for Hb , iron status , quality-of-life ( EQ-@D ) , and performance ( @ min walk test ) until day @ .