Outcomes	Outcome measure	Synthesis
Proteinuria	Remission – dichotomous or yes/no as  defined by the study	RR or OR, CI, I²
	Mild/Moderate/Severe or similar qualitative descriptive scale	Summarise
	Absolute proteinuria measurements: % change Difference pre and post, time point A versus time point B Continuous data – measurement (g/L or UPCR)	MD
Haematuria	Gross or microscopic	Summarise
	Change: Difference pre and post, time point A versus time point B	MD
Kidney function	SCr (µmol/L) Pre, post absolute change Rate of change over time Relative change: doubling of SCr ‐ yes/no eGFR GFR loss ≥ 50% during follow‐up ‐ dichotomous or yes/no Absolute change (pre, post) Rate of change Kidney failure Dialysis, kidney transplant – yes/no Kidney survival	RR or OR, CI, I² Time to event
Infection	Dichotomous or yes/no	RR or OR, CI, I² Descriptive
Malignancy	Dichotomous or yes/no	RR or OR, CI, I² Descriptive
Diabetes or  impaired blood glucose	Dichotomous or yes/no	RR or OR, CI, I² Descriptive
Hypertension	Dichotomous or yes/no	RR or OR, CI, I² Descriptive
Hospitalisation	Number of hospitalised days	RR or OR, CI, I²
Death	Death (any cause) ‐ dichotomous or yes/no	RR or OR, CI, I²
Patient‐oriented outcomes	Missed school days – number of days Reduced quality of life ‐ scale	MD RR, CI, I² Descriptive
Adverse events	Dropout rate due to treatment related adverse events Bone density, fracture or short stature	Descriptive