Type | Group 1 | Group 2 | P-value |
---|---|---|---|
# Cases | 121 | 242 | -- |
Acetabular Failures | |||
Adverse Wear | 4 (3.3 %) | 0 (0 %) | 0.0045* |
Loose Acetabular Component | 1 (0.8 %) | 0 (0 %) | 0.1556 |
Failure of Acetabular Ingrowth | 6 (5.0 %) | 0 (0 %) | 0.0005* |
Acetabular Component Shift | 0 (0 %) | 1 (0.4 %) | 0.4777 |
Femoral Failures | |||
Femoral Neck Fracture | 1 (0.8 %) | 1 (0.4 %) | 0.6171 |
Femoral Head Collapse | 2 (1.7 %) | 0 (0 %) | 0.0444* |
Loose Femoral Component | 1 (0.8 %) | 0 (0 %) | 0.1556 |
Other Failures | |||
Unexplained Pain | 1 (0.8 %) | 0 (0 %) | 0.1556 |
TOTAL FAILURES | 16 (13.2 %) | 2 (0.8 %) | <0.0001* |