Group A

Group B

P value

Count

%

Count

%

Facial nerve function 6-month postoperatively

Grade I

12

80%

8

53.3%

0.121

Grade II

2

13.3%

2

13.3%

1

Grade III

1

6.7%

1

6.7%

1

Grade IV

0

0.0%

2

13.3%

0.483

Grade V

0

0.0%

1

6.7%

1

Grade VI

0

0.0%

1

6.7%

1