N = 56

%

Age/years

Mean ± SD

(range)

38.25 ± 14.5

(17.0 - 68.0)

Sex

Male

Female

14

42

25.0

75.0

Nerve affected:

Trigeminal nerve

Right

left

both

n = 26

12

12

2

46.4

46.2

46.2

7.7

Facial & Vestibulocochlear nerves

Right

left

both

n = 18

4

12

2

32.2

22.2

66.7

11.1

Vestibulocochlear nerve

Right

left

both

n = 12

6

4

2

21.4

50.0

33.3

16.7

Compressing loop

AICA

SCA

32

24

57.1

42.9

Degree of compression

Grade 1

Grade 2

Grade 3

27

17

12

48.2

30.3

21.4