Reliability and validity of the Turkish version of the questionnaire of olfactory disorders

Abstract

Objectives: This study aims to test the reliability and validity of the Turkish version of the Questionnaire of Olfactory Disorders (QOD).Patients and Methods: This prospective study was conducted between June 2018 and January 2019. Patients who presentedto Okmeydanı Training and Research Hospital outpatient clinic with a diagnosis of chronic sinusitis and/or septum deviationcompleted the Connecticut Chemosensory Clinical Research Center smell test. Forty patients (24 males, 16 females;mean age 42.3±13.7 years; range, 18 to 71 years) with olfactory disorders (anosmia, hyposmia) completed the QOD at the timeof diagnosis and one day prior to surgery. Forty volunteers (control group) (22 males, 18 females; mean age 38.3±13.4 years;range, 18 to 65 years) without nasal pathology, olfactory dysfunction or a history of head trauma also completed the QOD. Theresults of the two tests were then compared.Results: The QOD-parosmia (QOD-P), QOD-statements of QoL (QOD-LQ), and QOD-visual analog scale (QOD-VAS) values weresignificantly higher in the study group (p