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

Table 6

HE staining results on the 28th day after surgery.

Groups	What can be seen
A	Fibrous callus disappeared in the affected area, cartilage callus gradually decreased, a large number of cartilage callus began to ossify, and bone trabeculae and bone remodeling were visible.
B	A large range of fibrous callus and cartilage callus can be seen in the affected area, and a small part of cartilage callus begins to ossify.
C	Many fibrous callus and cartilage callus can be found in the affected area.
D	A large range of fibrous callus and cartilage callus can be seen in the affected area, and many cartilage calluses begin to ossify.