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Validation of the S...
Validation of the Swedish translation of LPR-HRQL.
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- Andersson, Olle, 1964 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper, Avdelningen för öron-, näs- och halssjukdomar,Institute of Clinical Sciences, Department of Otorhinolaryngology
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Rydén, Anna, 1957 (author)
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Ruth, Magnus, 1953 (author)
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- Ylitalo Möller, Riitta, 1959 (author)
- Karolinska Institutet
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- Finizia, Caterina, 1961 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper, Avdelningen för öron-, näs- och halssjukdomar,Institute of Clinical Sciences, Department of Otorhinolaryngology
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(creator_code:org_t)
- 2010
- 2010
- English.
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In: Medical science monitor. - 1234-1010. ; 16:10, s. CR480-CR487
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Abstract
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- BACKGROUND: The aim of this study was to adapt the Laryngopharyngeal Reflux Health- Related Quality of Life questionnaire (LPR-HRQL) to Swedish and evaluate its psychometric properties in patients with suspected laryngopharyngeal reflux (LPR). MATERIAL/METHODS: The psychometric validation included 228 patients with suspected LPR who had previously undergone a 2-level 24-hour pH examination and who answered a mail-distributed set of questionnaires. The patients were divided into 2 comparable groups according to the Reflux Symptom Index (RSI) cut-off score: 126 patients with RSI score between 0-13 (defined as normal) and 102 patients with RSI score >13 (defined as abnormal, i.e. having LPR disease). RESULTS: LPR-HRQL was adapted to Swedish using a formal forward-backward translation method with input from expert groups (patients and physicians). Psychometric properties of the Swedish version of LPR-HRQL were evaluated by using factor analysis to explore the factor structure. Convergent and discriminant validity was determined by using the questionnaires RSI and Short Form-36 (SF-36). The psychometric tests performed fulfilled the criteria for structural integrity, validity and reliability, mostly confirming the results obtained in the original LPR-HRQL version. CONCLUSIONS: The Swedish translated version of LPR-HRQL proved to be a statistically valid instrument with which to assess HRQL in patients with LPR disease, and will be further tested in prospective studies.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Oto-rhino-laryngologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Otorhinolaryngology (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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