Table 3 Comparison of VAS and CMS between the two groups of patients preoperatively and 12 months postoperatively (Mean ± SD)

VAS

Preoperative

6.31 ± 1.28

6.00 ± 1.29

0.342

Postoperative 3 days

6.49 ± 0.98

6.09 ± 1.04

0.145

Postoperative 3 months

3.17 ± 1.07

2.78 ± 1.38

0.233

Postoperative 6 months

2.51 ± 0.82

1.78 ± 1.09

0.005

Postoperative 12 months

1.89 ± 0.87

1.13 ± 1.14

0.006

P

< 0.001

< 0.001

CMS

Preoperative

41.69 ± 11.85

41.00 ± 8.11

0.795

Postoperative 3 days

51.31 ± 11.94

53.17 ± 6.53

0.498

Postoperative 3 months

76.06 ± 3.73

82.87 ± 4.80

< 0.001

Postoperative 6 months

82.86 ± 3.99

89.83 ± 3.86

< 0.001

Postoperative 12 months

89.69 ± 2.71

94.83 ± 1.97

< 0.001

P

< 0.001

< 0.001