The purpose of the present study was to produce an Italian version of the Revised Leeds Disability Questionnaire (LDQ) in a group of patients with ankylosing spondylitis, and to examine the psychometric properties of this version, evaluating its internal consistency, external validity and reliability.
Fondazione Maugeri, IRCCS, Istituto Telese Terme, Rheumatology and Rehabilitation Research Unit, Telese Terme (BN), Campania, Italy. enniolubrano@hotmail.com