Retrospective study of the evolution of the incidence of non-traumatic lower-extremity amputations (2007-2013) and risk factors of reamputation.

Aim: Describe the incidence of non-traumatic amputation in a Spain region and identify the risk factors associated with the level of amputation and reamputation.

Methods: Retrospective study on non-traumatic lower-extremity amputees in a Spanish region between 2007 and 2013. A descriptive, bivariate and multivariate analysis was performed using bivariate logistic regression.