Table 2 Comparison of postoperative clinical outcomes between the two groups

HSS score

 At 6 months

88.2 ± 4.2

86.8 ± 4.8

0.102

 At 12 months

90.3 ± 4.2

89.3 ± 4.3

0.171

Kujala score

 At 6 months

80.5 ± 4.2

76.7 ± 5.2

< 0.001

 At 12 months

83.8 ± 3.9

81.5 ± 4.4

0.004

VAS

 At 6 months

1.3 ± 0.6

1.7 ± 0.8

0.007

 At 12 months

1.2 ± 0.4

1.4 ± 0.6

0.027

FJS-12

73.8 ± 6.5

70.4 ± 5.8

0.003

Cushion Kneeling perception (Yes / No)

34/24

32/30

0.441

Floor Kneeling perception (Yes / No)

26/32

25/37

0.618