Table 3 SF-36 scores reported by the patients before and after instruments removal

82.96 ± 9.68

85.10 ± 9.27

0.0040*

88.95 ± 10.16

92.02 ± 8.02

0.0045*

71.41 ± 31.93

74.49 ± 28.94

0.0600

79.22 ± 14.94

84.82 ± 14.75

0.0008*

72.77 ± 13.90

74.96 ± 13.38

0.1508

83.03 ± 8.17

82.00 ± 9.33

0.1005

91.95 ± 13.55

93.43 ± 12.02

0.1491

92.31 ± 15.05

95.14 ± 11.78

0.0815

86.03 ± 7.43

86.86 ± 7.80

0.2104