Table 3 Comparisons between the rebound and non-rebound groups

Age at insertion (years)

11.1 ± 1.9

11.3 ± 1.6

0.388

BMI at insertion (kg/m²)

22.8 ± 3.7

24.0 ± 4.7

0.357

Femur vs. Tibia

16 vs. 6

34 vs. 17

0.609

PETS vs. TBP

4 vs. 18

32 vs. 19

< 0.001

Correction period (months)

8.6 ± 2.4

7.2 ± 2.4

0.013

Correction angle (°)

7.4 ± 2.3

6.2 ± 2.6

0.061

Correction rate (° per month)

0.9 ± 0.4

0.9 ± 0.4

0.904

Age at removal (years)

11.9 ± 2.0

11.9 ± 1.7

0.500

BMI at removal (kg/m²)

23.2 ± 3.9

24.6 ± 5.0

0.367