Table 2
Operative and postoperative radiological data of the patients.
| Surgical operation time (min)* | 68.4 (±11.2) | |
| Length of stay (days)* | 1.50 (±0.69) | |
| Bearing surface** | CoP | 456 (87.4) |
| MoP | 66 (12.6) | |
| Implant fixation** | Uncemented | 311 (59.6) |
| Hybrid | 204 (39.1) | |
| Cemented | 7 (1.3) | |
| Acetabular liner** | Unconstrained | 426 (81.6) |
| Dual mobility | 94 (18.0) | |
| Constrained | 2 (0.4) | |
| Cup size (mm)*** | 51.5 ± 3.12 (44–62) | |
| Number of acetabular screws** | 0 | 27 (5.2) |
| 1 | 435 (83.3) | |
| 2 | 59 (11.3) | |
| 3 | 1 (0.2) | |
| Femoral head diameter (mm)** | 36 | 321 (61.5) |
| 32 | 102 (19.5) | |
| 28 | 59 (11.3) | |
| 22.2 | 40 (7.7) | |
| Cup orientation* | Inclination | 42.8 (±4.9) |
| Anteversion | 19.9 (±8.8) | |
| Stem coronal alignment** | Neutral | 508 (97.3) |
| Varus | 14 (2.7) | |
| Valgus | 0 (0) | |
| Stem coronal orientation (degrees)* | 1.2 (±1.4) | |
*The values are given as the mean with the standard deviation (SD) (±).
**The values are given as raw numbers with the percentages in parentheses.
***The values are given as the mean with the SD (±) and the range in parentheses.
MoP (Metal on Polyethylene), CoP (Ceramic on Polyethylene).
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