WCN24-736 INCIDENCE AND CHARACTERISTICS OF HEALTHCARE CLIENTS WITH ACUTE-ON-CHRONIC KIDNEY DISEASE IN THE CITY OF CAPE TOWN, SOUTH AFRICA - Fergus Caskey; Florence Phelanyane; Kate Birnie; Yoav Ben-Shlomo; Ryan Aylward; Brian Rayner; Nicki Tiffin (Kidney International Reports)