Table 2 Clinical outcomes during follow-up

System unchanged

 1 month^b

55 (83.3%)

25 (62.5%)

75 (70.57%)

 6 months^b

41 (62.1%)

22 (55%)

63 (64.94%)

 12 months^c

34 (51.5%)

18 (45%)

52 (60.47%)

Shunt revision

 1 month^a

2 (1.5%)

5 (12.5%)

7 (6.60%)

 6 months^b

1 (2.5%)

1 (1.5%)

2 (2.06%)

Shunt removal

 1 month^a

0 (0%)

2 (5%)

2 (1.89%)

 6 months^b

3 (4.55%)

2 (5%)

5 (5.15%)

 12 months^c

1 (2.5%)

1 (1.5%)

2 (2.32%)

Deaths

6 (9%)

10 (25%)

16 (15.09%)