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Table 3.
Summary of immediate and post-operative follow-up radiographic results.
| Radiographic parameter | Findings |
|---|---|
| Femoral morphology | |
| Dorr classification: no. (%) | Total no. = 26 hips (100%) |
| Type A | 10 (38%) |
| Type B | 16 (62%) |
| Type C | 0 |
| Femoral component alignment: no. (%) | Total no. = 26 hips (100%) |
| Neutral | 25 (96%) |
| Varus | 1 (4%) |
| Postop. limb length discrepancy mean and range (cm) | Mean = 0.8 cm |
| Range = (0.5–1 cm) | |
| Calcar atrophy: no. (%) | No. = 26 hips at 2 years postop. |
| Round-off | 18 (70%) |
| Loss of calcar height | 1 (4%) |
| Loss of calcar thickness | 1 (4%) |
| Heterotrophic ossification: | No. = 26 hips at 2 year postop. |
| No. (%) | 2 (8%) |
| Grade I | 1 (4%) |
| Grade II | 0 |
| Grade III | 1 (4%) |
| Grade IV | 0 |
| Stem osseointegration (stable): no. (%) | No. = 26 hips at 2 years postop. |
| Bone bridging (spot welds) in at least one Gruen zone | 23 hips (88%) |
| Cortical hypertrophy | 3 hips (12%) |
| Radiolucent lines: no. (%) | 0 |
| Stem tip reactive sclerotic line: no. (%) | 1 (4%) |
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