Study of Guanxinning Injection on Regulatory Mechanism of Bcl-2 and Bax by Liquid Nitrogen Freezing-Mediated Femoral Head Necrosis

Table 3

Comparison of the ratio of the relative expression of Bcl-2 mRNA to Bax mRNA of the femoral head of rabbits in different groups at various time points ().

Groups	Sample size	Week 1	Week 3	Week 6	Week 9	Week 12
Normal control group	6
Saline group	6
Guanxinning group	6

Note: compared with the normal control group at the same time points, indicates , and ## indicates . Compared with the saline group at the same time point, indicates .