ACCURACY OF X-RAY REPORTING IN THE DIAGNOSES OF ELDERLY PATIENT WITH SKULL FRACTURE AT THE UNIVERSITY OF BENIN TEACHING HOSPITAL
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Abstract
This retrospective diagnostic accuracy study evaluated the performance of plain skull radiographs in detecting skull fractures among elderly patients(≥ 65 years) at the University of Benin Teaching Hospital (UBTH), using computed tomography (CT) as the reference standard. A total of 41 patient with 31 further referred for CT scan, which was done within a 72-hour interval between January 2022 and June 2025, were reviewed. The study cohort demonstrated a high fracture prevalence of 46.2%. Nearly 76% of patients who initially underwent X-ray were subsequently referred for CT. Diagnostic analysis revealed high sensitivity (89.47%), meeting the predefined clinical benchmark (≥90%), but suboptimal specificity (83.3%), which fell short of the target threshold. This resulted in 2 missed fractures (false negatives), largely attributed to the difficulty in X-ray in determining certain type of fracture (basal skull fracture). The study concludes that, despite its high sensitivity, plain skull X-ray lacks sufficient specificity to reliably exclude fractures in high-risk elderly patients at UBTH. It is therefore recommended that CT be adopted as the primary imaging modality for elderly head trauma, accompanied by targeted professional training to enhance the recognition of subtle fractures on X-ray
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