ALB and Hypoalbuminemia: Hypoalbuminaemia caused by the leakage of serum albumin due to vasculitis is also postulated to be associated with AKI.20 Although hypoalbuminaemia was not a predictor of acute renal injury in previous studies,17, 25 the serum albumin level was significantly lower in our patients with AKI, and serves as an important predictor of AKI.