Table 5.

Participant outcomes under nephrological care

Outcome	Operational definition	Scale of measurement	Collection interval
Hospitalisation records	Hospitalisation will be defined as an admission to hospital to receive acute clinical care	Y or N Number of hospitalisations, Reason for hospitalisation (ICD-codes), associated conditions (ICD-codes)	3, 6 months and 12 monthly
LOS	Average number of days spent in hospital	Date of admission and date of discharge or number of days	3, 6 months and 12 monthly
Progression to ESKD	Defined as sustained reduction in eGFR<15 mL/min or commencement of KRT	Y or N. If yes, the relevant date
CVD events	CVD will be defined as a composite outcome of fatal and nonfatal events of ischaemic heart disease, ischaemic stroke, heart failure and peripheral vascular disease	Y or N. If yes, then the relevant date(s)	3, 6 months and 12 monthly
Death	As entered in patient records	Y or N. If yes, date of death
Achievement of blood pressure control	Target<130/80	Y or N	3, 6 months and 12 monthly
Achievement of glycaemic control	Target<53 mmol/mol (7%)	Y or N	3, 6 months and 12 monthly
Pharmacy review	Reviewed by pharmacist	Y or N. If yes, date of review
Dietary education	Received dietary counselling	Y or N. If yes, date of review
AKI	Frequency/episodes of AKI	Y or N, single or multiple

AKI, acute kidney injury; CVD, cardiovascular disease; eGFR, estimated glomerular filtration rate; ESKD, end-stage kidney disease; ICD, International Classification of Diseases; KRT, kidney replacement therapy; LOS, length of stay.