Table 3 Comparison between preoperative and postoperative clinical outcomes

Preoperative

6-month postoperative

1-year postoperative

2-years postoperative

57.00 [44.75–63.00]

47.50 [35.50–54.50]

36.0 [28.50–47.75]

27.50 [21.50–29.50]

< 0.001^a

0.189^b

0.004^c

0.002^d

66.25 [42.25–75.50]

38.75 [25.50–58.50]

38.00 [16.63–48.50]

26.25 [13.63–32.38]

< 0.001^a

0.002^b

0.002^c

0.002^d

-

SF-36 PCS

p

SF-36 MCS

p

Preoperative

6-month postoperative

1-year postoperative

2-years postoperative

27.97 [25.39–37.34]

43.75 [29.84–48.98]

48.91 [35.55–59.29]

55.31 [49.38–63.75]

< 0.001^a

0.037^b

0.002^c

0.002^d

41.04 [26.33–53.98]

55.94 [38.13–59.43]

54.06 [40.65–66.98]

63.18 [53.67–66.33]

0.014^a

0.064^b

0.049^c

0.020^d