Table 2 Statistical analyses of all of the data.

Gender (F/M)

7/4

13/7

0.006

0.939

Age

35.73 ± 13.42

37.45 ± 12.11

−0.365

0.718

Incision length, mm

22.27 ± 4.10

71.85 ± 5.31

−26.792

<0.001

Operation time, min

90.64 ± 20.87

52.05 ± 6.82

5.959

<0.001

Intraoperative blood loss, ml

21.36 ± 6.33

43.15 ± 15.35

−5.547

<0.001

Amount of drainage, ml

48.00 ± 11.65

47.45 ± 6.85

0.166

0.869

Duration of drainage, hours

49.64 ± 8.27

51.00 ± 6.61

−0.540

0.594

Postoperative pain score

3.82 ± 0.96

4.42 ± 0.86

−1.804

0.082

Hospital stay, days

2.91 ± 0.74

3.78 ± 0.70

−3.246

0.003

Satisfaction of appearance

8.91 ± 0.58

6.58 ± 1.00

7.052

<0.001