ALB and chronic kidney disease: Within the group of CKD patients, no difference in BMI, gender or serum albumin levels was found between different CKD stages; however, CKD patients with an eGFR >30 ml/min/1.73 m2 were younger than patients with an eGFR <29 ml/min/1.73 m2 and <15 ml/min/1.73 m2 (Table 4).