Table 2 Comparison of variables between rebound and non-rebound groups
Non-rebound group (N = 53) | Rebound group (N = 41) | P-value | |
|---|---|---|---|
Sex (male / female) | 28 / 25 | 19 / 22 | 0.677 |
Age at initial surgery (years) | 11.7 ± 2.3 | 10.2 ± 2.5 | 0.004 |
Age at implant removal (years) | 13.0 ± 2.4 | 11.3 ± 2.6 | 0.002 |
Body mass index (kg/m2) | 21.4 ± 5.2 | 19.5 ± 4.3 | 0.058 |
Type of deformity (valgus / varus) | 36 / 17 | 30 / 11 | 0.746 |
Site (distal femur / proximal tibia) | 22 / 31 | 25/ 16 | 0.096 |
Laterality (right / left) | 23 / 30 | 23 / 18 | 0.311 |
Initial deformity angle (°) | 4.5 ± 4.2 | 3.8 ± 2.9 | 0.353 |
Amount of correction (°) | 7.6 ± 5.6 | 11.0 ± 3.8 | 0.001 |
Duration of correction (°) | 1.3 ± 0.7 | 1.2 ± 0.4 | 0.166 |
Rate of correction (°/ year) | 6.5 ± 4.4 | 10.2 ± 4.3 | < 0.001 |
Follow-up duration after implant removal (years) | 2.0 ± 1.0 | 2.4 ± 1.3 | 0.145 |