Table 2 Baseline data on randomization, number of outcome events and mean duration of Follow-up

N = 42

N = 38

N = 80

Age - yr

   Mean (SD)

56 (10)

54 (10)

56 (10)

   Range

34 - 73

26 - 78

26 - 78

Gender - %

   Female

60

71

65

   Male

40

29

35

Number of unruptured aneurysms (untreated) - %

   1

83

89

86

   2

14

8

11

History of SAH - %

   Yes

14

5

10

   No

86

95

90

Target aneurysm size - mm

   Mean (SD)

6 (2)

7 (3)

7 (3)

   Range

3 - 11

3 - 16

3 - 16

Target aneurysm location - %

   Posterior

5

13

9

   Anterior

95

87

91

Ophthalmic region

35

30

32

Middle Cerebral artery

25

30

29

(% for anterior normalized to 100%)

Outcome events

   Number

0

0

0

Duration of follow-up - months

   Mean (SD)

14.6 (11.0)

12.6 (9.4)

13.6 (10.2)