Table 1 Comparison of the demographic and preoperative baseline data

Mean age (years)

41.3 ± 10.7

41.4 ± 10.9

41.1 ± 10.8

0.915

Gender (male/female)

26/10

12/6

14/4

0.711

Injury mechanism (transport accidents/falls/crushes)

18/6/12

10/3/5

8/3/7

0.467

Affected side (left/right)

20/16

11/7

9/9

0.738

Mean defect size (cm)

6.97 ± 0.76

6.89 ± 0.74

7.05 ± 0.79

0.546

Median previous operation time (n, IQR)

2 (1 to 3)

2 (1 to 3)

2 (1.75 to 3)

0.249

Median follow-up period (months, IQR)

27 (25 to 37.6)

29 (25.8 to 38)

26.5 (25 to 32)

0.301