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Osteolysis (mean volume in cc; range), muscle density in Hounsfield units (mean; range), and cross-sectional area (CSA) of the gluteus maximus muscle in millimeters squared (mean surface; range)
| Parameter | No dislocation (131 hips) | Dislocation (29 hips) | p value |
|---|---|---|---|
| Osteolysis (cc) | 15 (5–45) | 70 (50–90) | 0.001 |
| Muscle density (HU) | 26 (22–32) | 10 (9–18) | 0.001 |
| CSA (mm2) | 3640 (3200–4900) | 3124 (2834–3642) | 0.07 |
HU = Hounsfield units.
