Table 1 Age, clinical features of the patients and type of drainage

1

48

Third ventricle tumor

ventricular

2

73

Left middle cerebral artery infarct

ventricular

3

81

Subarachnoid hemorrhage

ventricular

4

72

Intracranial hemorrhage

lumbar

5

67

Cerebellar hemorrhage

ventricular

6

69

Cerebellopontine angle tumor

lumbar

7

74

Normal pressure hydrocephalus

lumbar

8

36

Head trauma

ventricular

9

63

Intracranial hemorrhage

ventricular

10

58

Tetraventricular hydrocephalus

lumbar

11

77

Normal pressure hydrocephalus

lumbar

12

82

Normal pressure hydrocephalus

lumbar

13

26

Pseudotumor cerebri

lumbar