Table 3 Summary of outcome for the cohort. Clinical scores with means presented with standard deviation (SD) in the two groups; pre- and post-operatively with p-value

FJS

–

76.8 (17.9)

–

KSS Knee

66.0 (13.7)

88.8 (6.6)

< 0.001 *

KSS Function

59.4 (17.9)

94.2 (11.0)

< 0.001 *

Tegner

2.6 (0.9)

3.3 (1.0)

0.003 *

VAS-pain

5.4 (1.8)

1.1 (1.2)

< 0.001*

Sperner Score

Patellofemoral joint

1.1 (0.6)

1.8 (0.8)

0.001 *

Kellgren Score

Lateral compartment

0.3 (0.5)

1.45 (0.7)

< 0.001*

Femorotibial alignment

176° (2.3) -4° varus

179.4°(2.5) -0,6° varus

< 0.001 *