ALB and acute kidney injury: Conversely, BMI (OR 1.04, 95%CI 1.00–1.09, p = 0.035), DM (OR 1.58, 95%CI 1.18–2.13, p = 0.002), HTN (OR 1.40, 95%CI 1.06–1.84, p = 0.016), and preoperative albumin (OR 0.57, 95% CI 0.44–0.74, p < 0.001) were significantly associated with postoperative AKI (Table 4).