Table 1.
Group differences.
| Patients (n = 34) | |||
|---|---|---|---|
| Parameter | Group 1 No Complications |
Group 2 Complications |
p-Value |
| Patient characteristics | |||
| Number of subjects | 22 (65%) | 12 (35%) | |
| Sex (female/male) | 12 (55%)/10 (45%) | 3 (25%)/9 (75%) | 0.09 |
| Age at surgery (years, months) | 12.5 (1.1) | 13.2 (1.0) | 0.11 |
| Height (m) | 1.61 (0.10) | 1.68 (0.13) | 0.06 |
| Body mass index (kg/m2) | 22.1 (3.8) | 22.5 (3.6) | 0.78 |
| Extent of deformity (X-ray) | |||
| Mechanical axis deviation (MAD) (mm) | −19.4 (5.7) | −19.2 (7.9) | 0.90 |
| Mechanical femorotibial angle (MFA) (°) | −5.7 (1.8) | −5.3 (2.1) | 0.45 |
| Joint-line conversion angle (°) * | 1.0 (1.0–2.0) | 1.0 (1.0–2.0) | 0.32 |
| Duration of guided growth (weeks) * | 40.1 (34.3–51.7) | 41.4 (41.0–46.9) | 0.61 |
Parametric data: mean with standard deviation in parenthesis. * Non-parametric data: median with interquartile range in parenthesis. Mechanical axis deviation: negative values describe a valgus alignment. Mechanical femorotibial angle: negative values describe a valgus alignment.