Table 5 Treatment, complications and prognosis of elderly patients with intracranial aneurysms

Craniotomy, (%)

91/290 (31.4)

75/176 (42.6)

16/114 (14.0)

< 0.001

Endovascular, (%)

90/290 (31.0)

33/176 (18.8)

57/114 (50.0)

< 0.001

Conservative, (%)

109/290 (37.6)

68/176 (38.6)

41/114 (36.0)

0.646

Pulmonary infection, (%)

138/290 (47.6)

83/176 (47.2)

55/114 (48.2)

0.856

Hydrocephalus, (%)

72/290 (24.8)

43/176 (24.4)

29/114 (25.4)

0.846

Thrombosis, (%)

24/290 (12.1)

20/176 (11.4)

4/114 (3.5)

0.031

Rebleeding, (%)

23/290 (7.9)

14/176 (8.0)

9/114 (7.9)

0.985

Gastrointestinal bleeding, (%)

16/290 (5.5)

8/176 (4.5)

8/114 (7.0)

0.368

Seizure, (%)

5/290 (1.7)

2/176 (1.1)

3/114 (2.6)

0.622

Blood vasospasm, (%)

8/290 (2.8)

4/176 (2.3)

4/114 (3.5)

0.794

Intracranial infection, (%)

15/290 (5.2)

9/176 (5.1)

6/114 (5.3)

0.955