Table 6.
Distribution of surgical approach among hips with primary OA. Values are frequency (%)
| Item | Lateral | Approacha |
All | |
|---|---|---|---|---|
| Posterior | Other | |||
| Lubinus SPII | ||||
| Primary THRs | 12,540 (100) | 30,731 (100) | 368 (100) | 43,639 (100) |
| Type B fractures | 6 (0.05) | 21 (0.07) | 0 | 27 (0.06) |
| Type C fractures | 16 (0.13) | 47 (0.15) | 1 (0.27) | 64 (0.15) |
| Exeter Polished | ||||
| Primary THRs | 10,471 (100) | 11,091 (100) | 709 (100) | 22,271 (100) |
| Type B fractures | 49 (0.47) | 89 (0.80) | 8 (1.13) | 146 (0.66) |
| Type C fractures | 14 (0.13) | 27 (0.24) | 2 (0.28) | 43 (0.19) |
a
9 Exeter and 9 Lubinus stems with unknown approach were excluded.
Only patients operated with lateral or posterior approach were included in the separate regression analysis.