Table 2 Comparison between preoperative, postoperative, and follow-up measurements and stratified by groups with paired t test

7.73 ± 0.60

4.04 ± 0.13^a

4.43 ± 0.12^c

< 0.01

3.05 ± 0.36

6.44 ± 0.28^a

6.12 ± 0.27^c

0.03

8.12 ± 0.80

3.54 ± 0.10^a

3.67 ± 0.10^c

0.02

6.08 ± 0.44

4.33 ± 0.20^a

4.52 ± 0.16

0.06

4.65 ± 0.71

6.56 ± 0.99^a

6.8 ± 0.87

0.24

3.81 ± 0.45

3.08 ± 0.14

3.16 ± 0.12

0.25

6.73 ± 0.39

4.17 ± 0.21^a

4.38 ± 0.17

0.08

2.7 ± 0.45

5.95 ± 0.40^a

5.7 ± 0.41

0.09

7.02 ± 0.99

3.32 ± 0.14^a

3.43 ± 0.11

0.08

9.24 ± 1.26

3.82 ± 0.20^a

4.45 ± 0.20^c

< 0.01

2.82 ± 0.65

6.86 ± 0.40^a

6.29 ± 0.38^c

0.04

10.63 ± 1.42

3.89 ± 0.18^a

4.07 ± 0.17

0.1