Table 3 Change in horizontal deviation and the V pattern in the studied groups

 33 cm

51.172 ± 28.853

51.417 ± 26.708

0.975^a

 6 m

45.103 ± 28.287

47.750 ± 26.982

0.731^a

 Preoperative V pattern (PD)

20

20

0.588^b

 Median (minimum, maxmum)

(15 ~ 45)

(15 ~ 63)

 Postoperative V pattern (PD)

2

2

0.210^c

 Median (minimum, maxmum)

(0 ~ 6)

(0 ~ 10)

 P^b

0.000^*

0.000^*