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Table 1 Histological grading of fracture healing scores

From: Salvianolic acid B promotes bone formation by increasing activity of alkaline phosphatase in a rat tibia fracture model: a pilot study

Histological evaluation

Grade

Pseudoarthrosis formation

0

Incomplete cartilaginous union

1

Complete cartilaginous union

2

Incomplete bony union

3

Complete bony union

4