Table 2 Retrieval analysis and radiographic evaluation for each bearing group
Bearing group | Goldberg corrosion score (0–3 scale) | HA coating removal (0–3 scale) | Mean thickness of radiolucent lines at latest follow-up | ||
|---|---|---|---|---|---|
Proximal | Distal | Proximal (Gruen zones 1 and 7) | Distal (Gruen zones 3, 4, and 5) | ||
MoM | 2.1 (0.8)* | 2.6 (0.5) | 2.1 (0.9) | 2.9 (1.7) | 0.4 (1.3) |
CoC | 0.8 (0.9) | 1.4 (0.8) | 1.7 (0.9) | 1.7 (1.6) | 0 |
MoP | 0.4 (0.9) | 1.0 (1.0) | 0.8 (0.9) | 1.5 (1.7) | 0.6 (1.5) |