Orthopedics

Comprehensive Summary

This systematic review investigates the application of artificial intelligence (AI) and machine learning (ML) models in diagnosing and classifying hip fractures using radiographic imaging. Fourteen studies published up to June 2022 were analyzed, focusing on performance metrics like diagnostic accuracy, AUC (area under the ROC curve), and classification precision. The studies utilized X-rays, with some incorporating CT and MRI, examining fracture types such as femoral neck and intertrochanteric fractures. AI diagnostic accuracy ranged from 79.3% to 98%, with AUC values between 0.905 and 0.99, demonstrating excellent discriminative ability. Classification accuracy by AI ranged from 86% to 98.5%, with corresponding AUC values between 0.873 and 1.0. In studies where AI supported clinicians, diagnostic accuracy rose to 97.1%, compared to unaided human accuracy ranging from 77.5% to 93.5%. The most frequently used convolutional neural network (CNN) architectures were GoogLeNet and DenseNet. Training data proportions varied, with some studies using up to 95% of data for training. Grad-CAM was employed in five studies to visualize model focus areas.

Outcomes and Implications

The results indicate that AI tools can significantly enhance both the efficiency and accuracy of hip fracture detection and classification. This improvement is crucial in high-pressure environments like emergency rooms, where clinicians face cognitive overload and time constraints, and where 2–10% of hip fractures may be misdiagnosed. By reducing diagnostic error, AI could lower complications related to delayed treatment, such as pneumonia and osteonecrosis, especially in elderly populations. Furthermore, faster and more accurate classification supports the selection of appropriate surgical interventions, which is directly tied to patient outcomes and healthcare costs. However, limitations include the use of high-quality, institution-specific datasets that may not generalize well, and the lack of integration with broader clinical data.

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© 2025 AIIM. Created by AIIM IT Team

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© 2025 AIIM. Created by AIIM IT Team

AIIM Research

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© 2025 AIIM. Created by AIIM IT Team