ALB and diabetes mellitus: Lower bile acid levels remained independently associated with a higher risk of progression to ESRD with DKD after adjusting for baseline age, sex, BMI, DR, hypertension, DM duration, eGFR, initial proteinuria, hemoglobin, serum albumin, glomerular class, interstitial fibrosis and tubular atrophy, and RASI use (in model 3).