Table 4.
Group | n | − | + | ++ | +++ | P |
---|---|---|---|---|---|---|
Blank group | 6 | 6 | 0 | 0 | 0 | <0.01 |
Model group | 6 | 0 | 0 | 0 | 6 | |
Jingwanhong group | 6 | 0 | 0 | 6 | 0 | |
High dose of nano-silver hydrogel coating film group | 6 | 0 | 4 | 2 | 0 | <0.01 |
Medium dose of nano-silver hydrogel coating film group | 6 | 0 | 2 | 4 | 0 | <0.01 |
Low dose of nano-silver hydrogel coating film group | 6 | 0 | 0 | 2 | 4 |
“−”: Keratosis, squamous epithelium, hair follicle, hair follicle glands, sebaceous glands, and subcutaneous tissues were normal; “+”: cornified layer thinner, slightly squamous epithelial hyperplasia, follicular small partially denatured gland follicles, sebaceous cell proliferation slightly, subcutaneous tissue, normal; “++”: thickening of the horny layer and a small amount of exudation of inflammatory cells, squamous epithelial hyperplasia, partially denatured hair follicle, the hair follicle glands, sebaceous glands phosphate, granulation tissue is subcutaneous replaced; “+++”: horny layer thickening and exudation of inflammatory cells, squamous epithelial proliferation significantly, the hair follicle degeneration, follicular glands, sebaceous glands disappear, subcutaneous tissue is replaced by a large amount of granulation tissue.