Research Article
Optimizing Acetabular Component Bone Ingrowth: The Wedge-Fit Bone Preparation Method
| | Variable | Group 1 | Group 2 | P value |
| | Preoperative |
| | HHS Score | 58.6 ± 13.2 | 57.3 ± 18.7 | <0.0001 |
| | Postoperative |
| | Cases with 2-year FU (#, %) | 1407 (94.1%) | 1121 (71.6%) | <0.0001 |
| | Cases with any FU | 1485 (99.3%) | 1496 (95.6%) | <0.0001 |
| | HHS Score | 98.1 ± 6.0 | 97.7 ± 6.2 | 0.1716 |
| | Harris Pain Score | 42.8 ± 4.2 | 42.7 ± 4.1 | 0.6182 |
| | UCLA Score | 7.6 ± 1.9 | 7.5 ± 1.9 | 0.3059 |
| | VAS2 Pain: Regular | 0.3 ± 1.0 | 0.2 ± 0.9 | 0.0036 |
| | VAS Pain: Worse | 1.2 ± 1.9 | 1.3 ± 2.0 | 0.2826 |
| | Combined ROM | 272.2 ± 42.1 | 270.4 ± 34.4 | 0.5600 |
| | Radiographic Data |
| | AIA | 35.9 ± 5.5 | 33.9 ± 4.9 | <0.0001 |
| | Under RAIL (# Hips, %) | 1266/1374 (92.1%) | 1565/1565 (100.0%) | <0.0001 |
| | Radiolucency (# Hips, %) | 0 (0.0%) | 0 (0.0%) | 1.000 |
| | Osteolysis (# Hips, %) | 0 (0.0%) | 0 (0.0%) | 1.000 |
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