Radiographic Findings |
6–12 Weeks (n = 199) |
12 Months (n = 198) |
24 Months (n = 190) |
---|---|---|---|
Stem migration | 6 (3.0) | 1 (0.5) | 1 (0.5) |
Osteolysis of femoral bone | 0 (0.0) | 0 (0.0) | 0 (0.0) |
Resorption of femoral bone | 0 (0.0) | 0 (0.0) | 1 (0.5) |
Resorption of calcar | 4 (2.0) | 3 (1.5) | 2 (1.1) |
Interface radiolucent lines | 0 (0.0) | 0 (0.0) | 1 (0.5) |
Hypertrophy of femoral bone | 1 (0.5) | 3 (1.5) | 1 (0.5) |
Heterotopic ossification | - | - | - |
Brooker I (islands) | 2 (1.0) | 3 (1.5) | 4 (2.1) |
Brooker II / III (spurs) | 1 (0.5) | 3 (1.5) | 1 (0.5) |
Brooker IV (ankylosis) | 0 (0.0) | 0 (0.0) | 0 (0.0) |