In patients with functioning grafts , 5 years mean serum creatinine ( 1.4 Alem vs 1.6 mg/dl rATG ) , calculated abbreviated modification of diet in renal disease glomerular filtration rate ( 55 Alem vs 52 ml/min/1 .73 m ( 2 ) rATG ) , hemoglobin A1c ( both 5.4 % ) and C-peptide ( 2.6 Alem vs 2.3 ng/ml rATG ) levels were similar .