The effect of povidone-iodine (PVI) treatment on tumor necrosis factor (TNF) α and interleukin (IL) -6 expression at the wound site. (A) Representative immunohistochemical TNFα stained wound sections. Scale bar = 50 μm. (B) Semi-quantitative analysis of TNFα + cells (/high power fields). (C) Representative immunohistochemical IL-6 stained wound sections. Scale bar = 50 μm. (D) Semi-quantitative analysis of IL-6 expression. **p < 0.01 vs control. Data are means ± S.D, n = 24.