Demographic variable

V-P shunt Group (n = 26)

ETV

Group (n = 26)

P-Value

Cause

Congenital (%)

13 (50%)

12 (46.2%)

1.000

Postmeningetic (%)

13 (50%)

14 (53.8%)

Operation time (min)

Mean ± SD

64.3 ± 29.5

46.9 ± 18.05

0.013*

Range

30 - 120

25 - 90