Table 1.
Data on femoral lengthening patients
| Case # | Diagnosis | Age (years) | Distraction gap (cm) | BHI (days/cm) | Number of cortices at removal |
|---|---|---|---|---|---|
| 1 | Congenital short femur | 7.7 | 4.5 | 65 | 2 |
| 2 | Infectious physeal arrest | 20.1 | 4.0 | 73 | N/A |
| 3 | Legg-Calve Perthes | 18.3 | 4.2 | 63 | N/A |
| 4 | Hemihypertrophy | 12.1 | 4.7 | 41 | 2 |
| 5 | Traumatic physeal arrest | 10.2 | 4.0 | 39 | 1 |
| 6 | Hypochondroplasia | 13.3 | 7.4 | 45 | 1 |
| 7 | Hypochondroplasia | 13.3 | 7.1 | 51 | 0 |
| 8 | Traumatic physeal arrest | 18.9 | 5.3 | 52 | N/A |
| 9 | Traumatic physeal arrest | 15.9 | 5.0 | 39 | N/A |
| 10 | Congenital short femur | 13.2 | 5.9 | 52 | 1 |
| 11 | Traumatic physeal arrest | 15.5 | 5.3 | 54 | 0 |
| 12 | Traumatic physeal arrest | 15.0 | 6.0 | 39 | 0 |
| 13 | Congenital short femur | 4.9 | 4.1 | 59 | 2 |
| 14 | Congenital short femur | 16.8 | 6.5 | 37 | 1 |
| 15 | Spondyloepiphyseal dysplasia | 6.0 | 7.5 | 29 | 0 |
| 16 | Infectious physeal arrest | 11.8 | 9.0 | 22 | 1 |
| 17 | Amniotic band syndrome | 5.7 | 4.0 | 39 | 2 |
| 18 | Congenital short femur | 7.2 | 5.0 | 48 | 2 |
| 19 | Congenital short femur | 17.6 | 5.8 | 48 | 1 |
| Averages | 12.9 | 5.5 | 47 |
BHI = bone healing index.