Table 5.
Subgroup Comparison table.
| Femoral lengthening | Femoral deformities | Nonunion correction/bone transport | |
|---|---|---|---|
| Number of patients | 21 | 12 | 10 |
| Number of femora | 23 | 14 | 10 |
| Age | 25.29 | 33.54 | 41.5 |
| Follow-up time after surgery (months) | 38.9 | 35.8 | 53.03 |
| Pre-operative varus (mm medial MAD) | 12.64 | 47.83 | 36.75 |
| Post-operative varus (mm medial) | 7.0 | 11.09 | 11.29 |
| Pre-operative valgus (mm lateral MAD) | 16.73 | 27.71 | 7.0 |
| Post-operative valgus (mm lateral) | 11.29 | 4.75 | 3.20 |
| Pre-operative LDFA (deg.) | 87.57 | 88.57 | 94.0 |
| Post-operative LFDA (deg.) | 88.77 | 91.14 | 85.9 |
| Pre-operative knee ROM (deg.) | −0.24–131.82 | 0.71–120 | 0.0–71.43 |
| Post-operative knee ROM (deg.) | 0.22–123.04 | −2.0–116.79 | 0.0–46.67 |
| Total pre-operative LLD/bone loss (cm) | 4.69 | 2.14 | 7.14 |
| Post-operative total LLD (cm) | 1.29 | 1.36 | 1.71 |
| Total pre-operative femoral leg length discrepancy (cm) | 2.98 | 1.46 | 5.70 |
| Post-operative femoral length discrepancy (cm) | 0.30 | 0.72 | 0.36 |
| Distraction time (months) | 1.92 | 0.46 | 4.27 |
| Consolidation (months) | 3.87 | 3.23 | 5.61 |
| Total time in frame (months) | 5.77 | 3.66 | 9.92 |
| External fixation index (months/cm) | 2.15 | 1.86 | |
| Complications | 22 | 9 | 7 |
LLD: leg length discrepancy; ROM: range of motion; deg.: degrees; LDFA: lateral distal femoral angle; MAD: mechanical axis deviation; postoperative values in bold.