Clinical Study
Open Wedge High Tibial Osteotomy with Distal Tubercle Osteotomy Lessens Change in Patellar Position
Table 1
Demographics and correction angles by operative group.
| | Variables | OWHTO () | OWHTO/DTO () | 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 |
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Values expressed as mean SD; OWHTO, open wedge high tibial osteotomy; DTO, distal tubercle osteotomy; MPTA, medial proximal tibial angle; mFTA, mechanical femorotibial angle.
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