Table 2.

Demographics (mean ± standard deviation or count with percentages)

Age	63.5 ± 17.3
Sex	Male: 8 (61.5 %)
	Female: 5 (38.5 %)
Type of drainage	Lumbar: 7 (53.8 %)
	Ventricular: 6 (46.2 %)
Cause of drainage placement	Cerebellar hemorrhage: 1 (7.7 %)
	Cerebellopontine angle tumor: 1 (7.7 %)
	Head trauma: 1 (7.7 %)
	Intracranial hemorrhage: 2 (15.4 %)
	Left middle cerebral artery infarct: 1 (7.7 %)
	Normal pressure hydrocephalus: 3 (23.1 %)
	Pseudotumor cerebri: 1 (7.7 %)
	Subarachnoid hemorrhage: 1 (7.7 %)
	Tetraventricular hydrocephalus: 1 (7.7 %)
	Third ventricle tumor: 1 (7.7 %)