Table 5 The results of blood loss, operative time, and skin scar between two groups (Mean ± SD)

Number

24

27

–

–

Age

33.4 ± 9.1

34.8 ± 11.7

–

–

Gender

15 males, 9 females

19 males, 8 females

–

–

Operative time (min)

26.3 ± 5.9

68.9 ± 13.6

−14.771

0.000

Intra-operative blood loss (ml)

9.6 ± 5.7

171.9 ± 68.3

−12.294

0.000

Length of skin scar (cm)

1.8 ± 0.6

8.1 ± 1.1

−24.864

0.000