Table 1 Improvements in knee clinical scores and objective items from the preoperative period to the last examination

Subjective IKDC

39.4 ± 10.9

54 ± 15.2

 < 0.01

Functional KSS

37.7 ± 10

63.9 ± 15.4

 < 0.01

KOOS

45.7 ± 9.6

76.5 ± 10.5

 < 0.01

Tegner

2.5 ± 0.7

3.1 ± 1.3

 = 16

VAS

56.7 ± 12.9

42 ± 17.1

 < 0.05

NRS-11

5.8 ± 1.1

4.4 ± 1.7

 < 0.05

Objective KSS

42.2 ± 11.7

75 ± 22.5

 < 0.01

Kellgren–Lawrence

II: 8 pts; III: 12 pts

II: 5 pts; III: 8 pts; IV: 7 pts

Axial deviation (HKA)

8.6° ± 2°

1.3° ± 1.6°

 < 0.01