The study aim is to compare the rate of therapeutic success of the secondary ostéite with a wound of the foot diabetic, obtained either by a single medical coverage(care), or by a medical surgical coverage(care). The therapeutic success being defined by the association of 1) the absence of local distribution(broadcasting) of the ostéite 2) the healing of the wound 3) in 12 months of the healing the absence of local recurrence of the ostéite