Variables

Age

Etiologies

Previous shunt

0 point

<1 month

Post infectious

Yes

10 points

1 month to <6 months

No

20 points

Ÿ Myelomeningocele

Ÿ Intraventricular hemorrhage

Ÿ Non-tectal brain tumors

30 points

6 months to <1 year

Ÿ Aqueduct stenosis

Ÿ Tectal brain tumor

Ÿ Other etiologies

40 points

1 year to <10 years

50 points

≥10 years