Grade of wound reepithelialisation. A = Grade 2, B = Grade 3, C = Grade 4, D = Grade 3, E = Grade 4, F = Grade 4, G = Grade 0, H = Grade 2, I = Grade 4. Grade 0 = reepithelialisation at the edge of the wound; Grade 1 = reepithelialisation covering less than half of the wound; Grade 2 = reepithelialisation covering more than half of the wound; Grade 3 = reepithelialisation covering the entire wound with irregular thickness; Grade 4 = reepithelialisation covering the entire wound with normal thickness.