CCL20 and autosomal dominant polycystic kidney disease: Since plasma CCL20 levels were generally similar between patients with DKD (82.6% detectable, median 12.8 (3.5–33.2) pg/mL) and ADPKD (80% detectable, median 6.0 (1.2–19.2) pg/mL), these hard outcomes were analysed in both cohorts combined.