Clinical Study
Short to Midterm Follow-Up of Periprosthetic Bone Mineral Density after Total Hip Arthroplasty with the Ribbed Anatomic Stem
Table 4
Radiographic evaluation of the femoral component.
| Evaluation content | No. of patients | Percentage (%) |
| Contact collar-calcar | | | Good | 25 | 60.97 | Fair | 12 | 29.27 | Poor | 4 | 9.76 | Fixation screw-trochanter | | | Good | 21 | 51.22 | Fair | 14 | 34.15 | Poor | 6 | 14.63 | Contact prosthesis-isthmus | | | Good | 37 | 90.24 | Fair | 4 | 9.76 | Poor | 0 | 0 | Femoral stem alignment | | | Varus | 3 | 7.32 | Neutral | 38 | 92.68 | Valgus | 0 | 0 | Heterotopic ossification | | | I | 10 | 24.39 | II | 1 | 2.44 | III | 0 | 0 | IV | 0 | 0 | Pedestal sign | | | Incomplete | 6 | 14.63 | Complete | 0 | 0 | Spot welds | 28 | 68.29 | Reactive lines (<2 mm) | 14 | 34.15 | Radiolucent line (>2 mm) | 0 | 0 | Femoral stem subsidence, migration or loosening | 0 | 0 |
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