ALB and autosomal dominant polycystic kidney disease: No relevant studies assessing outcomes in CYP with proteinuria were identified and no consensus was achieved in 2 rounds of the Delphi survey; only 41% of panellists agreed with the statement ‘Urine protein estimation (best assessed at urine albumin:creatinine) should be offered at least every 2 years to children and young people with confirmed ADPKD commencing at 5 years of age’.