We recommend that angles always should be drawn for assessment of hip dysplasia on pelvic radiographs. Given the inherent variability of diagnostic assessment of hip dysplasia, a computed tomography scan could be considered in patients with relevant hip symptoms and a center-edge angle between 20 degrees and 30 degrees . Osteoarthritis should be assessed by measuring the joint space width or by classifying the Tönnis grade as either 0-1 or 2-3.

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Therapeutic level III. See instructions for authors for a complete description of levels of evidence.

The results suggest that an uncemented hydroxyapatite coated hemiarthroplasty can be used to treat displaced intracupsular femoral neck fractures with good clinical and radiographic outcomes at short term follow-up.