The effect of povidone-iodine (PVI) treatment on macrophages. (A) Representative immunohistochemical CD68 stained wound sections. Scale bar = 50 μm. (B) Quantitative analysis of CD68+ cells (/high power fields). (C) Representative immunohistochemical inducible nitric oxide synthase (iNOS) stained wound sections. Scale bar = 50 μm. (D) Quantitative analysis of iNOS + cells (/high power fields). Data are means ± S.D, n = 24.