Preop Deviation PD

Postop 6 month PD

Correction

PD

Correction

%

P value

Unilateral MD ± SD

27.68 ± 15.13

4.37 ± 11.05

23.32

94.65

<0.001

Bilateral MD ± SD

44.42 ± 18.46

4.42 ± 8.08

40

90.59

<0.001

Total MD ± SD

38.84 ± 19.03

4.40 ± 9.08

34.44

91.94

<0.001