[Retracted] Effects of Early Weight-Bearing Treadmill Training Combined with Pre-Emptive Analgesia on Femoral Fracture Recovery

Table 7

HE staining results on the 35th day after surgery.

Groups	What can be seen
A	Cartilage callus in the affected area is obviously reduced, and a large number of bone trabeculae and bone remodeling can be seen.
B	Fibrous callus in the affected area is obviously reduced, ossification of cartilage callus can be found, and bone trabeculae can be seen locally.
C	A large range of cartilage callus can be seen in the affected area, and some cartilage callus began to ossify, but there were still many fibrous calluses.
D	A small amount of fibrous callus can still be seen in the affected area, and cartilage ossification and bone trabecula can be seen locally.