Table 4 Comparison of radiological outcomes at PDPAA < 8

Comparison preoperatively

Tibial sesamoid position—mean (SD)

6.11 ± 1.19

6.01 ± 1.23

0.634

HVA—mean (SD)

33.4 ± 8.65

34.6 ± 7.49

0.392

IMA—mean (SD)

15.3 ± 2.63

15.6 ± 2.86

0.569

PDPAA—mean (SD)

1.73 ± 4.78

3.24 ± 3.76

0.0375

Comparison postoperatively

Tibial sesamoid position—mean (SD)

3.57 ± 1.2

2.95 ± 1.63

< 0.0001

HVA—mean (SD)

14.9 ± 8.95

13.5 ± 13.4

< 0.0001

IMA—mean (SD)

8.59 ± 3.7

7.08 ± 3.26

9.78E−03

PDPAA—mean (SD)

3.97 ± 4.94

-1.93 ± 5.91

< 0.0001