Chronic kidney disease is a costly burden to the Australian health system, particularly as it relates to the risk of progression to end-stage renal disease. Select public hospitals in Queensland offer outpatient nephrology clinics, which require referral to attend but are free-of-charge to the public. The CKD.QLD Registry is a surveillance program of chronic kidney disease which enrols consenting patients who present to these clinics. Through a data-linkage relationship with Queensland Health, a panel dataset was generated which detailed all-cause separation and expenditure information for CKD patients initially