Table 1.
Comparative measures of tibial defect repair by using Ilizarov techniques
| Parameter | Bifocal combined compression distraction | Bifocal consecutive compression distraction | Multilevel consecutive fragment lengthening | Multilevel simultaneous fragment lengthening |
|---|---|---|---|---|
| Defect (cm) | 12 ± 1.8 | 11.9 ± 0.6 | 12.2 ± 1.5 | 14.1 ± 1.6 |
| Defect to segment limb ratio (%) | 30.4 ± 5.7 | 31.6 ± 1.5 | 36.6 ± 3.6 | 42.3 ± 4.0 |
| Distraction (days) | 127.0 ± 36.1 | 144.7 ± 12.6 | 56.0 ± 4.8 | 52.8 ± 4.7 |
| Fixation (days) | 180.0 ± 25.9 | 199.0 ± 18.0 | 101.5 ± 13.4 | 167.8 ± 18.6 |
| Total osteosynthesis time (days) | 323.0 ± 52.1 | 361.2 ± 25.6 | 284.1 ± 30.5 | 291.4 ± 28.6 |
| Fixation index (days/cm)a | 17.8 ± 3.3 | 26.1 ± 2.9 | 10.3 ± 1.3 | 16.5 ± 1.9 |
| Osteosynthesis index (days/cm)b | 30.7 ± 4.2 | 46.4 ± 3.9 | 28.8 ± 5.0 | 28.7 ± 1.7 |
| Lengthened amount (cm) | 10.8 ± 1.2 | 8.8 ± 0.7 | 11.2 ± 1.6 | 10.1 ± 0.7 |
| Lengthened amount, % | 92.0 ± 4.6 | 74.3 ± 3.5 | 91.2 ± 4.6 | 78.3 ± 8.1 |
a Fixation index: ratio of fixation (days) to lengthened amount (cm)
b Osteosynthesis index: ratio of total osteosynthesis period (days) to lengthened amount (cm)