tokens: RESULTS : The mean hemoglobin ( Hb ) levels were significantly declined in all patients from baseline of 14 . 2 g / dl to 14 . 0 g / dl , 13 . 5 g / dl , 13 . 2 g / dl and 12 . 7 g / dl at 1 , 2 , 3 and 6 months post - CAB , respectively .