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Further validation ...
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Johansson, Mia,1977Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper, Avdelningen för onkologi,Institute of Clinical Sciences, Department of Oncology
(författare)
Further validation of the Gothenburg Trismus Questionnaire (GTQ).
- Artikel/kapitelEngelska2020
Förlag, utgivningsår, omfång ...
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2020-12-17
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Public Library of Science (PLoS),2020
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LIBRIS-ID:oai:gup.ub.gu.se/300000
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https://gup.ub.gu.se/publication/300000URI
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https://doi.org/10.1371/journal.pone.0243805DOI
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Ämneskategori:art swepub-publicationtype
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This study aimed to update and, if necessary, revise the Gothenburg Trismus Questionnaire (GTQ), the only existing trismus-specific questionnaire, and retest its psychometric properties. Semi-structured interviews were performed with 10 trismus patients of which 5 had head and neck cancer (HNC) and 5 suffered from benign temporomandibular disorders. Trismus was defined as a maximal incisal opening of ≤ 35mm. An expert panel discussed and revised the GTQ based on interview information, expertise knowledge and the original questionnaire. The revised questionnaire was then tested in a study sample consisting of benign jaw-related conditions (n = 26), patients treated for HNC (n = 90) and an age- and gender-matched control group with no trismus (n = 116). The revised version of the GTQ (GTQ 2) was well accepted by patients. The original three domains continued to show high internal consistency (Cronbach's alpha 0.74-0.94) and construct validity. Two dually posed single items were split into four questions and the wording was altered in another three items. Moreover, a new domain (Facial pain) was identified, which had excellent internal consistency (α = 0.96) and good construct validity. The revision of the original Gothenburg Trismus Questionnaire (GTQ 1) with inclusion of patient-input, resulted in splitting of ambiguous items, identifying a fourth domain named Facial pain and the recall time shortened for some items. Additionally, the remaining domains and items were re-confirmed as strong in the psychometric analysis. Henceforth, the new version, GTQ 2 should be used.
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Karlsson, Therese,1987Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper, Avdelningen för öron-, näs- och halssjukdomar,Institute of Clinical Sciences, Department of Otorhinolaryngology(Swepub:gu)xkther
(författare)
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Finizia, Caterina,1961Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper, Avdelningen för öron-, näs- och halssjukdomar,Institute of Clinical Sciences, Department of Otorhinolaryngology(Swepub:gu)xfinca
(författare)
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Göteborgs universitetInstitutionen för kliniska vetenskaper, Avdelningen för onkologi
(creator_code:org_t)
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Ingår i:PloS one: Public Library of Science (PLoS)15:121932-6203
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PloS one
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