Inequalities in emergency care use across transition from paediatric to adult care: a retrospective cohort study of young people with chronic kidney disease in England.

• Population-level data was used to examine the impacts of transfer and sociodemographic factors on unplanned secondary care utilisation in CKD. • Healthcare utilisation trends may not reflect known CKD pathophysiology and there may be unexplored sociodemographic inequalities in the experiences of young people across transfer.