highly significantp < 0.001
Notably, at 6 dpi, the Long-BAC group maintained a significantly elevated pathological score relative to the other two groups, with a highly significant difference compared with the rLong-BJ1903-AF group ( p < 0.001); a statistically significant difference was also observed between the rLong-BJ1903-AF and rLong-SY2103-BF groups ( p < 0.05) ( Figure 3C ).