Table 5.
Studies of CT assessment of the AAA according to the position
| Study | THA or native hip | Conventional CT in supine position | CT in simulated standing position | CT in simulated sitting position |
|---|---|---|---|---|
| Current study | THA | 24.2° (SD 6.9°) | 31.7° (SD 5.6°) | 38.8° (SD 5.4°) |
| Lazennec et al. [23] | THA | 11.1° (SD 3.2°) | 13° (SD 2.4°) | 30.2° (SD 5.7°) |
| Swanson [36] | THA | 14.6° (SD NA) | NA | NA |
| Ryan et al. [32] | THA | 32° (SD 6.8°) | NA | NA |
| Kim [20] | THA | 26.9° (SD 4°) | NA | NA |
| Duwelius et al. [9] | THA | 18.4° (SD 7.9°) | NA | NA |
| Williams et al. [39] | THA | 15.5° (SD 5.5°) | NA | NA |
| Zilber et al. [40] | Native hip | 11° (SD 11°) | 26° (SD 7.2°) | 36° (SD 6.3°) |
| Tallroth and Lepisto [37] | Native hip (dysplasia) | 21° (SD 7°) | NA | NA |
| Stem et al. [35] | Native hips | 23° (SD 5°) | NA | NA |
AAA = anatomic acetabular anteversion; NA = not available.