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Translation, Cross-Cultural Adaptation, and Validation of the Eustachian Tube Dysfunction Patient Questionnaire for
Sofia Anastasiadou1, Petros Karkos1, Jannis Constantinidis1
1Ear Nose and Throat Department, ACHEPA Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece.
Background And Objectives:
Eustachian tube dysfunction (ETD) is prevalent among patients with ENT disorders, necessitating history-taking, clinical examination, and appropriate investigation for diagnosis. Eustachian Tube Dysfunction Patient Questionnaire (ETDQ-7) is a valuable tool for subjectively assessing symptom severity related to this condition. This study aims to adapt and validate the ETDQ-7 in Greece, ensuring its accuracy and efficacy in outpatient settings. Subjects and.
Methods:
The ETDQ-7 was translated into Greek following established methodology. Data were collected from 75 Greek patients diagnosed with ETD and 25 control patients without ETD. Participants completed the adapted ETDQ-7 and underwent a clinical examination, with statistical analysis correlating with their ETDQ-7 responses. Statistical analyses were performed to determine the questionnaire's reliability and validity.
Results:
Internal consistency and item analyses were performed to validate the questionnaire. Face and content validity were confirmed, and patients found the questionnaire easy to administer and complete. Test-retest reliability demonstrated similar internal consistency and a strong correlation between individual items and the total score. Discriminative validity revealed a statistically significant difference between the two patient groups, supporting the usefulness of the Greek version of ETDQ-7 in confirming the diagnosis of ETD.
Conclusions:
The Greek version of ETDQ-7 proves to be safe and effective for diagnosing ETD in Greek-speaking populations, complementing various investigative methods.
