The Persian Version of Reflux Sign Assessment Scale: Validity and Reliability for the Examination of Patients with Laryngopharyngeal Reflux Disease.

Objectives/hypothesis: The non-specificity of signs associated with laryngopharyngeal reflux disease (LPRD) makes the diagnosis challenging. This study aimed to evaluate the psychometric properties of the Persian version of reflux sign assessment (RSAp) in LPRD.

Study Design: This was a methodological study.