Clinical and Radiographic Outcomes of the Corin Tri-Fit Total Hip Replacement

Inclusion Criteria: * Patients scheduled for primary, unilateral total hip replacement (THR) with no previous history of hip replacement and/or fracture surgery. * Patients with arthritis secondary Noninflammatory Degenerative Joint Diseases (NIDJD), including osteo/degenerative arthritis, congenital hip dysplasia, and avascular necrosis. * Patients who do not meet any of the exclusion criteria. Exclusion Criteria: * Patients with previous fusions, acute femoral neck fractures, above knee amputations, or previous total knee replacement. * Patients who had previously undergone an ipsilateral hemi resurfacing, total resurfacing, total bipolar, unipolar or total hip replacement device. * Patients with neuropathic joints. * Patients who required structural bone grafts. * Patients with an ipsilateral girdlestone. * Patients who otherwise met the study criteria, but for which appropriate clinical follow-up data is not available (i.e. patients deceased prior to 2-year follow-up, patients refused to return for follow-up).