Official Journal of the Italian Society of Orthopaedics and Traumatology
Table 2 Incidence of radiological alterations over time
| Â | 2Â years | 5Â years | ||
|---|---|---|---|---|
N | Percent | N | Percent | |
Resorption femoral bone | ||||
 No | 195 | 96.1 | 116 | 57.7 |
 Yes | 8 | 3.9 | 85 | 42.3 |
Cortical hypertrophy | ||||
 No | 194 | 95.6 | 192 | 95.5 |
 Yes | 9 | 4.4 | 9 | 4.5 |
Lucent lines | ||||
 No | 197 | 97.0 | 199 | 99.0 |
 Yes | 6 | 3.0 | 2 | 1.0 |
Osteolysis femoral bone | ||||
 No | 203 | 100.0 | 201 | 100.0 |
 Yes | 0 | 0.0 | 0 | 0.0 |