ALB and nephritis: Patients with class IVG had the most severe nephritis as follows: SBP, 144.2 ± 22.8 mmHg; DBP, 89.5 ± 14.2 mmHg; serum creatinine, 1.5 ± 1.1 mg/dL; estimated GFR, 68.4 ± 37.2 mL/min/1.73 m2; urinary protein, 4.7 ± 3.3 g/gCr; serum albumin, 2.8 ± 0.6 g/dL; and hemoglobin, 10 ± 2.2 g/dL.