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Chi-square distribution of cup, stem, polyethylene, and surgical approach among the three wear groups
| Variable | Wear group | p Value | ||
|---|---|---|---|---|
| High | Low | Moderate | ||
| Cup | ||||
| HG I | 3 | 11 | 13 | |
| HG II | 6 | 9 | 7 | |
| Mark II | 2 | 1 | 4 | 0.124 |
| Trilogy® | 8 | 4 | 5 | |
| Stem | ||||
| Cemented | 5 | 7 | 3 | |
| Cementless | 14 | 18 | 26 | 0.215 |
| Polyethylene | ||||
| GUR 1050 | 8 | 4 | 5 | |
| GUR 4150 | 11 | 21 | 24 | 0.917 |
| Surgical approach | ||||
| Anterolateral | 12 | 6 | 1 | |
| Posterior | 17 | 17 | 26 | 0.002 |
