Table 3.
Femoral deformity correction data.
| Number of patients | 12 |
| Number of femora | 14 |
| Age (years) | 33.5 (range: 21–49) |
| Follow-up time after surgery (months) | 35.8 (range: 8.1–49.7) |
| Pre-operative deformities | Varus (6), valgus (6), recurvatum (2), procurvatum (1), internal rotation (4) |
| Pre-operative medical conditions | Diabetes (1), rheumatoid arthritis (2), neuropathy (1) |
| Pre-operative varus (mm medial MAD) | 47.8 (range: 18–100) |
| Post-operative varus (mm medial MAD) | 11.1 (range: 0–25) |
| Pre-operative valgus (mm lateral MAD) | 27.7 (range: 8–57) |
| Post-operative valgus (mm lateral MAD) | 4.8 (range: 0–9) |
| Pre-operative LDFA (deg.) | 88.6 (range: 80–114) |
| Post-operative LFDA (deg.) | 91.1 (range: 84–105) |
| Pre-operative knee range of motion (deg.) | 0.71° (SD 12.4) –120° (SD 18.7) |
| Post-operative knee range of motion (deg.) | −2.0° (SD 4.6) –116.8° (SD 20.2) |
| Pre-operative total LLD (cm) | 2.1 (range, 0.4–8.3) |
| Post-operative total LLD (cm) | 1.4 (range: 0–7.4; SD: 2.26) |
| Pre-operative femoral length discrepancy (cm) | 1.5 (range: 0.4–4.7) |
| Post-operative femoral length discrepancy (cm) | 0.7 (range: 0–3.7; SD: 1.35) |
| Number of patients requiring bone graft | 1 |
| Distraction time (months) | 1.5 (range, 0.26–2.30; SD: 0.88) |
| Consolidation time (months) | 3.2 (range, 2.0–7.1; SD: 1.33) |
| Total time in frame (months) | 3.66 (range, 2.5–7.7; SD: 1.42) |
| External fixation index (months/cm) | |
| Complications | Pin site infections (3), knee contracture (2), peroneal nerve neuropraxia (1), septic arthritis of knee (1) |
LLD: leg length discrepancy; ROM: range of motion; deg.: degrees; LDFA: lateral distal femoral angle; MAD: mechanical axis deviation; postoperative values in bold.