Table 3 Difference in transverse position of Me and anteroposterior position of Pog at T0, T1, and T2 in the 3 groups

Me (transverse)

 ∆T1–T0

− 0.3 ± 0.6

0.022

− 2.4 ± 1.1

< 0.001

− 5.6 ± 1.7

< 0.001

 ∆T2–T1

0.0 ± 0.2

0.402

0.1 ± 0.6

0.498

0.0 ± 0.2

0.427

Pog (antero-posterior)

 ∆T1–T0

− 9.2 ± 6.2

< 0.001

− 8.4 ± 5.7

< 0.001

− 7.8 ± 6.3

< 0.001

 ∆T2–T1

0.8 ± 0.8

< 0.001

0.7 ± 0.7

< 0.001

1.0 ± 0.5

< 0.001