Classification

Grade I: Normal (no sclerosis, narrowing, or osteophytes)

Grade II: Minimal (minimal sclerosis, narrowing, or minor osteophytes)

Grade III: Moderate (moderate sclerosis, narrowing, or osteophytes)

Grade IV: Severe (severe sclerosis, narrowing, or osteophytes)

Explanation

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Figures

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Reference(s)

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