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Table 1 The method for measuring the callus formation score of the fracture area.

From: A multi-center, randomized, clinical study to compare the effect and safety of autologous cultured osteoblast(Ossron™) injection to treat fractures

Point(s) anterior cortex posterior cortex medial cortex lateral cortex
0 No callus formation No callus formation No callus formation No callus formation
1 Slight callus formation Slight callus formation Slight callus formation Slight callus formation
2 Bridging callus formation Bridging callus formation Bridging callus formation Bridging callus formation