Table 2 Comparison of morphological parameters between perforated sites and non-perforated sites

13.70 ± 1.94

11.93 ± 1.70

12.07 ± 1.78

 < 0.001

13.50 ± 2.00

11.90 ± 1.68

12.07 ± 1.78

 < 0.001

12.68 ± 1.93

14.24 ± 2.03

14.11 ± 2.06

0.005

12.95 ± 1.88

14.26 ± 2.04

14.11 ± 2.06

0.007

11.89 ± 2.21

12.43 ± 3.07

12.39 ± 3.01

0.501

11.77 ± 2.18

12.47 ± 3.10

12.39 ± 3.01

0.331

18.42 ± 5.05

9.34 ± 8.98

10.09 ± 9.07

 < 0.001

18.61 ± 4.98

9.04 ± 8.91

10.09 ± 9.07

 < 0.001

7.26 ± 2.90

4.53 ± 1.80

5.06 ± 2.31

 < 0.001

6.66 ± 2.82

4.50 ± 1.82

5.06 ± 2.31

 < 0.001

4.84 ± 1.35

2.81 ± 1.00

3.21 ± 1.34

 < 0.001

4.60 ± 1.32

2.72 ± 0.95

3.21 ± 1.34

 < 0.001

55.04 ± 6.73

57.12 ± 8.30

56.72 ± 8.02

0.370

53.89 ± 6.76

57.71 ± 8.25

56.72 ± 8.02

0.067