The serum creatinine level was lower in the RIC group compared with that of the control group ( @h , days @-@ , P < @ ; other P > @ ) ; the estimated glomerular filtration rate was higher in the RIC group compared with that of the control group ( @h , days @-@ , P < @ ; other P > @ ) ; urine neutrophil gelatinase-associated lipocalin , an early marker of IRI , was lower in the RIC group at hours @ , @ , @ , and @ ( @ h , @h , P > @ ; @h , @h , P < @ ) compared with that of the control group .