Table 2.
Results
| Parameter | Bipolar HA | 95 % CI | SD | THA with DMC | 95 % CI | SD | p value |
|---|---|---|---|---|---|---|---|
| Dislocation | 25/171 | 9.3–19.9 % | – | 8/175 | 1.5–7.7 % | – | 0.002 |
| Re-operation | 32/171 | 12.9–24.6 % | – | 16/175 | 4.8–13.4 % | – | 0.01 |
| Waiting time for surgery, mean (h) | 22 | 20–25 | 15 | 29 | 27–32 | 18 | <0.001 |
| Length of surgery, mean (min) | 68 | 65–72 | 23 | 74 | 70–78 | 27 | 0.04 |
| Perioperative blood loss, mean (ml) | 310 | 268–352 | 241 | 424 | 266–481 | 338 | 0.002 |
| Duration of stay, mean (days) | 7.4 | 6.9–7.9 | 3.5 | 7.3 | 6.8–7.8 | 3.1 | 0.76 |
| Mortality 3 months post-operatively | 26/171 | 9.8–21 % | – | 18/175 | 5.8–15 % | – | 0.17 |
| Mortality 1 year post-operatively | 50/171 | 22–36 % | – | 30/175 | 12–23 % | – | 0.008 |