Table 5.

Retinoblastoma presentation at National University Hospital, Singapore

Age at presentation	1–72 months (mean 16.4 months)a
Gender	Female 34 (56%); Male 27 (44%)
Laterality	Unilateral 36;Bilateral 25
Nationality (in descending order)	Indonesia 29.5%, Vietnam 21.3%, Singapore 20%, Brunei 9.8%, Malaysia 6.6%, Myanmar 4.9%, Others(India, Sri Lanka, Papua new Guinea, Timor Leste & Russia)
Grouping	Group A 1.16%, Group B 8.2%, Group C 26.3%, Group D 39.3%, Group E 24.7%
Staging	Stage 0 83.6%, Stage I 8.2%, Stage II 1.6%, Stage III 1.6%, Stage IV 4.92%
Interventions prior to referral	None 85%, Enucleation of 1 eye 11.5%, enucleation of both eyes 1.6%, Intravitreal anti-VEGF injection 1.6%.

^aExcluding one 24 year old patient with advanced unilateral disease at presentation