Meanwhile , the levels of postoperative albumin [ ( 36.22.5 ) g/L vs. ( 33.52.6 ) g/L , P < 0.01 ] and prealbumin [ ( 325.428.2 ) mg/L vs. ( 302.534.2 ) mg/L , P < 0.01 ] in the trial group were significantly higher than those in the control group .