Group I

Group II

t test

P

Preoperative angle of deviation

37.78 ± 8.09

40.65 ± 9.08

1.4

0.16

Amount of Recession

16.09 ± 2.48

17.03 ± 2.97

1.4

0.08

Postoperative angle 1 m median

range

0

(−6/5)

−2

(−7/4)

mann-Whitney

477.0

0.01*

Postoperative angle 3 m median

range

0

(−6/5)

−2

(−5/3)

mann-Whitney

385

0.12

Postoperative angle 6 m median

range

0

(−6/5)

−2

(−6/4)

mann-Whitney

367

0.16

Postoperative angle 12 m median range

0

(−6/5)

−2

(−6/4)

mann-Whitney

388

0.13