Table 2 Clinical outcomes during follow-up

AOFAS score

 1 months

65.6 ± 5.9

61.8 ± 5.2

0.008

 3 months

82.3 ± 4.2

79.1 ± 4.0

0.003

 6 months

87.6 ± 5.6

83.8 ± 4.9

0.007

 1 years

91.9 ± 3.1

90.1 ± 3.1

0.164

 2 years

95.6 ± 3.0

94.2 ± 3.5

0.094

OMA score

 1 months

45.7 ± 8.7

40.4 ± 7.3

0.012

 3 months

79.2 ± 6.5

74.8 ± 6.3

0.009

 6 months

84.1 ± 5.3

80.3 ± 5.8

0.010

 1 years

91.4 ± 4.0

90.5 ± 4.8

0.431

 2 years

97.2 ± 3.1

95.7 ± 4.3

0.123

VAS for pain during daily activity

 1 months

2.6 ± 1.2

3.4 ± 1.2

0.018

 3 months

1.7 ± 0.7

2.2 ± 1.1

0.038

 6 months

1.1 ± 1.1

1.2 ± 1.0

0.850

 1 years

0.6 ± 0.7

0.7 ± 0.8

0.456

 2 years

0.4 ± 0.6

0.6 ± 0.7

0.173