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Table 2 Modified score of An and Friedman (radiographic criteria)

From: A new sequential animal model for infection-related non-unions with segmental bone defect

Variable Definition Score
1. Periosteal reaction absent 0
mild 1
moderate 2
severe 3
2. Osteolysis absent 0
mild 1
moderate 2
severe 3
3. Deformity absent 0
mild 1
moderate 2
severe 3
4. General impression absent 0
mild 1
moderate 2
severe 3
5. Sequester formation absent 0
present 1
6. Spontaneous fracture absent 0
present 1