Table 1.
Demographics and correction angles by operative group.
| Variables | OWHTO (n = 30) | OWHTO/DTO (n = 33) | p value |
|---|---|---|---|
| Age (years) | 32.8 ± 7.5 | 30.5 ± 8.0 | 0.18 |
| Gender (male : female) | 8 : 22 | 13 : 20 | 0.23 |
| Body mass index (kg/m2) | 23.3 ± 5.2 | 24.5 ± 5.0 | 0.52 |
| Preoperative MPTA (degrees) | 81.8 ± 1.9 | 82.3 ± 2.3 | 0.30 |
| Postoperative MPTA (degrees) | 88.1 ± 2.0 | 88.3 ± 2.4 | 0.63 |
| Correction of MPTA (degrees) | 6.2 ± 2.1 | 6.0 ± 2.7 | 0.64 |
| Preoperative mFTA (degrees) | −6.0 ± 1.8 | −6.4 ± 3.0 | 0.44 |
| Postoperative mFTA (degrees) | 0.8 ± 1.5 | 0.3 ± 1.8 | 0.24 |
| Correction of mFTA (degrees) | 6.8 ± 2.3 | 7.7 ± 3.1 | 0.24 |
| Follow-up period (months) | 32.4 ± 8.7 | 33.1 ± 2.9 | 0.68 |
Values expressed as mean ± SD; OWHTO, open wedge high tibial osteotomy; DTO, distal tubercle osteotomy; MPTA, medial proximal tibial angle; mFTA, mechanical femorotibial angle.