ALB and chronic kidney disease: The United States Third National Health and Nutrition Examination Survey (NHANES III) studied data from 15,594 subjects and found that serum albumin was <38 g/L in 10% of those with eGFR 60–89 ml/min/1.73 m2 compared to 20% and 51% among those with CKD stage 3 and 4 respectively (P<0.001) [29].