ALB and chronic kidney disease: Postoperative complication analysis indicated that there were significant differences in the percentage of ICU transfers (73.3% vs 19.3%, P < 0.001), levels of postoperative hemoglobin (92.5 ± 16.8 vs 107.5 ± 18.3, P < 0.001), and levels of postoperative albumin (32.4 ± 4.1 vs 34.9 ± 5.5, P < 0.02) between CKD and non-CKD patients (Table 3).