Table 3 Preoperative, postoperative and final follow-up SF-36 scores

77.43 ± 4.67

80.94 ± 3.30^*

87.43 ± 8.38^Δ

27.0 ± 17.05

29.70 ± 14.24^*

39.8 ± 12.44^Δ

24.59 ± 0.50

69.5 ± 13.06^*

78.57 ± 3.56^Δ

68.2 ± 11.25

70.27 ± 9.92^*

77.70 ± 7.87^Δ

72.43 ± 9.83

78.37 ± 9.86^*

85.90 ± 11.42^Δ

69.00 ± 6.26

73.08 ± 9.88^*

81.10 ± 13.01^Δ

59.8 ± 13.77

63.43 ± 18.70^*

72.50 ± 20.52^Δ

81.40 ± 3.55

83.78 ± 2.97^*

89.08 ± 6.64^Δ