Sex

Age (yr)

Affected side

Operated method

Follow-up (month)

F

M

R

L

Unipolar

Bipolar

Variant 1

(n = 33)

14

19

4.2 (2 - 7)

(SD = 1.7)

23

10

28

5

56.9 (24 - 79)

(SD = 11.7)

Variant 2

(n = 11)

4

7

12.5 (8 - 15)

(SD = 2.3)

8

3

2

9

54.1 (24 - 76)

(SD = 14.4)

18

26

6.2 (2 - 15)

31

13

33

11

55.0 (24 - 81)