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KMID : 0390220210320020111
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Journal of Clinical Otolaryngology, Head and Neck Surgery
2021 Volume.32 No. 2 p.111 ~ p.117
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Validity and Reliability of a Korean Version of the Patulous Eustachian Tube Handicap Inventory (K-PHI) Questionnaire
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Kim Ji-A
Choi Sung-Won
Oh Se-Joon
Kong Soo-Keun
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Abstract
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Background and Objectives: Patulous Eustachian tube (PET) is a rare disease, but it seriously affects patients’ quality of life. There are various treatment methods for PET; however there are no standardized treatment guidelines. The PET handicap inventory (PHI) proposed by Ikeda in Japan has been an effective tool for evaluating the severity of PET. In this study, we evaluated the reliability and validity of the Korean version of PHI (K-PHI).
Materials and Methods: Translation of the PHI into Korean was performed by two bilingual otologists. K-PHI was applied to the PET patients at the initial visit and after the treatment, and statistical analysis was performed to evaluate the reliability and validity of the K-PHI. Patients were divided into two groups according to their treatment methods, and their K-PHI scores were categorized and compared.
Results: The Cronbach’s alpha value of the K-PHI was 0.889, similar to the original version PHI (0.887). The Spearman rank correlation coefficients among the ten items, total score, and visual analog scale score for the PET symptoms and total score were calculated, and the significant values were less than 0.05.
Conclusions: The K-PHI is a reliable and valid questionnaire to evaluate the severity of PET. Therefore, after an accurate diagnosis is made, the K-PHI can be applied to follow PET patients’ symptoms.
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KEYWORD
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Eustachian tube, Surveys and questionnaires, Translation, Reproducibility of results
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