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Dislocation rate for primary THA comparing the National Joint Registry (NJR) and the hospital database
| Approach | Number of THAs performed | Number revised for dislocation (NJR) | Percent dislocation (NJR) | Total number of dislocations (hospital database) | Percent dislocations (hospital database) |
|---|---|---|---|---|---|
| Lateral | 196 | 2 | 1.02 | 4 | 2.04 |
| Posterior | 362 | 4 | 1.10 | 10 | 2.76 |
| Anterior | 12 | 0 | 0 | 0 | 0 |
| Total | 570 | 6 | 1.05 | 14 | 2.46 |
