[Variables associated with a good response to steroids in chronic inflammatory demyelinating polyradiculoneuropathy].

Background: The treatment of chronic inflammatory demyelinating polyradiculoneuropathy (CIDP) is based on corticosteroids, immunoglobulin and plasmapheresis. In our Health System, corticosteroids are commonly used as first line therapy for economic reasons and accessibility. However, the factors associated with a good response are not well known.