ALB and acute kidney injury: Compared with 50 non-HDP patients(including 1 twin pregnancy), HDP-related Pr-AKI patients had a lower level of serum albumin(24.9 ± 5.6 vs. 27.5 ± 5.3, P = 0.02) and a higher level of uric acid(477.1 ± 82.8 vs. 406.2 ± 115.7, P = 0.01).