Table 2 Clinical and administrative health data sources (Queensland Health) and corresponding information retrieved

Emergency Department Information System (EDIS)

Emergency department presentations: presentation date and timing, hospital location, demographic details, mode of arrival (e.g., ambulance), triage category^a, reason for presentation and departure status

Hospital Based Corporate Information System (HBCIS)

Inpatient admissions: admission date, hospital location, demographic details, care type, admission status, reason for admission (AR-DRG), length of stay, discharge date and destination

Medical records^b

Health history (including comorbidities), diagnostic and treatment details, demographic details, health service referrals and use, and other relevant details