PEDIS Infection Grade

Assesses severity of diabetic foot infection.

Grade 1 (Uninfected): No symptoms of infection. Grade 2 (Mild): Superficial, erythema < 2 cm. Grade 3 (Moderate): Erythema > 2 cm OR deep tissue involvement, no SIRS. Grade 4 (Severe): Local infection + SIRS/Sepsis.