Fig. 1From: Relationship of urinary endothelin-1 with estimated glomerular filtration rate in autosomal dominant polycystic kidney disease: a pilot cross-sectional analysisUrine ET-1 inversely correlated with eGFR in a cross-sectional analysis of 21 patients with ADPKD. ET-1 was measured by ELISA in spot urine specimens and values were adjusted for urine creatinine. Because the distribution of urine ET-1 was non-normal, log-transformed values were utilizedBack to article page