TABLE 1.

Timeline of patient’s journey.

	Presentation	Progression	Progression
Age	9 years old	10 years old	11 years old
CKD stage	CKD stage 4	CKD stage 5	CKD stage 5, commenced hemodialysis
eGFR (ml/min/1.73m2)	24	15	12
Investigations	Bland urine analysis	Renal biopsy showing NPHP	Molecular genetic studies

CKD, chronic kidney disease; eGFR, estimated glomerular filtration rate (Revised Schwartz equation); NPHP, nephronophthisis.