Reliability of radiographic knee and hip osteoarthritis classification between radiologists and orthopaedic surgeons

Key Points

• The aim is to evaluate the reliability of osteoarthritis classification between radiologists and orthopaedic surgeons.
• Analysis of agreement levels between two types of specialists
• Focus on knee and hip osteoarthritis diagnosis
• Utilization of the Kellgren-Lawrence grading system for assessment
• Fair to moderate agreement in osteoarthritis diagnosis was found
• The Kellgren-Lawrence grading system is recommended for lower extremity OA
• Challenges in grading minute osteophytes and early-stage osteoarthritis were noted