Table 1 Sociodemographic and general characteristics of both groups (IJVOT and CT)

Age^a

49 (30–67)

53.5 (23.5–67)

50 (27–67)

0.69

Gender

 Males

30 (45%)

24 (60%)

54 (51%)

0.15

 Females

36 (55%)

16 (40%)

52 (49%)

Type of hydrocephalus

 Communicating

36 (55%)

19 (48%)

55 (52%)

0.28

 Normal pressure hydrocephalus

6 (9%)

8 (20%)

14 (13%)

 Obstructive hydrocephalus

24 (36%)

13 (33%)

37 (35%)

Etiology

 Subarachnoid hemorrhage

4 (10%)

11 (16.67%)

15 (14.15%)

0.45

 Intracranial hemorrhage

2 (3.03%)

0 (0%)

2 (1.8%)

 Infectious

8 (12.12%)

6 (15%)

14 (13.21%)

 Trauma

3 (4.5%)

3 (7.5%)

6 (2.83%)

 Tumor

20 (30.3%)

12 (30%)

32 (30.18%)

 Congenital

5 (7.58%)

1 (2.5%)

6 (5.6%)

 Idiopathic

7 (10.6%)

7 (17.5%)

14 (13.2%)

 Other

17 (25.75%)

0 (0%)

17 (16.04%)

Associated oncologic conditions

 Lung adenocarcinoma

2 (3%)

0 (0%)

2 (1.8%)

 < 0.01

 Breast adenocarcinoma

2 (3%)

0 (0%)

2 (1.8%)

Shunt related variables

Laterality of the shunt

 Right

59 (89%)

36 (90%)

95 (90%)

0.92

 Left

7 (11%)

4 (10%)

11 (10%)

Type of valve

 Hakim programmable valve

64 (96.96%)

19 (47.5%)

83 (78.3%)

 < 0.01

 Sophysa programmable valve

1 (1.52%)

0 (0)

1 (0.94%)

 Biomed with fixed pressure

1 (1.52%)

17 (42.5%)

18 (16.98%)

Surgical time^a

60 (60–90)

100 (60–120)

60 (60–120)

 < 0.01