![]() Therefore, it may be difficult to popularize the hip ultrasonography technique for physicians who conduct hip screening in infants. Hip ultrasonography is an accurate modality, but it requires a certain level of experience to achieve acceptable performance 5. Hip radiography and ultrasonography are widely used screening tools for diagnosing DDH. In our previous study, we reported that the rate of late diagnosis (diagnosed ≥ 1 year) was 10–12% in Japan, which is concerning 1. ![]() However, treatment outcomes in patients diagnosed with DDH dislocation at the age of ≥ 1 year vary, suggesting that early detection and treatment are essential for good outcomes. Early detection and treatment of DDH-related dislocations is highly effective, with a > 80% success rate 2, 3, 4. In our previous study, the incidence of DDH-related dislocations was 0.076% in Japan 1. DDH is one of the most common hip diseases in infants. Similar content being viewed by othersĭevelopmental dysplasia of the hip (DDH) is a cluster of hip developmental disorders, including dislocation, subluxation, and acetabular dysplasia. We believe our model is a useful diagnostic assistant tool. Our deep learning model provides good diagnostic performance for DDH. This is the first study to establish a model for detecting DDH using YOLOv5. This model also outperformed the SSD model. The sensitivity and the specificity of our best YOLOv5 model (YOLOv5l) were 0.94 (95% confidence interval 0.73–1.00) and 0.96 (95% CI 0.89–0.99), respectively. Of these, 30 normal and 17 DDH hip images were used as the test dataset. A total of 305 anteroposterior hip radiography images (205 normal and 100 DDH hip images) were collected. Using their radiography images, transfer learning was performed to develop a deep learning model using the “You Only Look Once” v5 (YOLOv5) and single shot multi-box detector (SSD). ![]() Patients younger than 12 months who underwent hip radiography between June 2009 and November 2021 were selected. The aim of this study was to develop a deep learning model for detecting DDH. ![]() Hip radiography is a convenient diagnostic tool for DDH, but its diagnostic accuracy is dependent on the interpreter’s level of experience. Developmental dysplasia of the hip (DDH) is a cluster of hip development disorders and one of the most common hip diseases in infants. ![]()
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