Fig. 5

Kruskal-Wallis rank analysis of the effect of the cause of chronic kidney disease (CKD) on plasma dopamine concentration (p = 0,035). 1-DM - diabetic nephropathy; 2- HA – arterial hypertension; 3- KZN – glomerulonephritis; 4 - APKD – autosomal dominant polycystic kidney disease; 5 – other; 6-unknown