Figure 3. Preventive effect of each group after 12 weeks of preventive drug use. (A) Oil red O staining of aortic tree, aortic arch, and abdominal aorta, and the proportion of plaque area; statistical analysis results were obtained by comparison with the model group (B) Comparison of three levels of blood lipids in each group; statistical analysis results were obtained by comparison with the model group (C) HE staining of aortic root in each group (first row: 40×, second row: 100×).