Table 4

Features associated with revisions of the CSF shunt in 48 patients

Shunt never revised
n=16 (%)		Shunt revised in infancy only
n=10 (%)		Shunt revised after age 2 n=22 (%)χ2 trend
Achievers (n=20)11  (69)5 (50)4  (18)p<0.001
No episodes of raised intracranial pressure (n=23)15 (94)5 (50)3 (14)p<0.001
No cranial visual defects (n=16)9 (56)4 (40)3 (14)p<0.05
Insertion of shunt after 6 weeks old (n=15)9 (56)4 (40)2 (9)p<0.01
IQ⩾80 (n=31)12 (75)7 (70)12 (55)NS
Community walker (n=11)4-150 4 (25)5 (50)2 (9)p<0.05
Mild or moderate disability (n=27)4-151 12 (75)6 (60)9 (41)NS

  • ↵4-150 Community walker was defined as able to walk 50 metres or more.

  • ↵4-151 Mild or Moderate disability was defined as walker, or wheelchair with independent transfers, no severe cognitive handicap, toilet needs and pressure areas well managed.