Laryngopharyngeal Reflux Health Related Quality of Life (LPR-HRQL) Questionnaire Development and Psychometric Testing in Patients Receiving Omeprazole 20 mg Bid as Treatment for Laryngopharyngeal Reflux.
Laryngopharyngeal Reflux Health Related Quality of Life (LPR-HRQL) Questionnaire Development and Psychometric Testing in Patients Receiving Omeprazole 20 mg Bid as Treatment for Laryngopharyngeal Reflux.
The primary purpose of this study was to establish the psychometric properties of a new disease specific Quality of Life questionnaire, the LPR-HRQL. The specific properties of the questionnaire that were evaluated were: validity, reliability, and responsiveness to change (as a measure of treatment effect).
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Exclusion Criteria: