Turkish translation and validation of the Xerostomia Inventory.

Autor: Yüce Sarı S; Department of Radiation Oncology, Hacettepe University Faculty of Medicine, Ankara, Türkiye., Yılmaz MT; Department of Radiation Oncology, Hacettepe University Faculty of Medicine, Ankara, Türkiye., Elmalı A; Department of Radiation Oncology, Hacettepe University Faculty of Medicine, Ankara, Türkiye., Kılıç L; Department of Internal Medicine, Division of Rheumatology, Hacettepe University Faculty of Medicine, Ankara, Türkiye., Yüce D; Department of Preventive Oncology, Hacettepe University Faculty of Medicine, Ankara, Türkiye., Özyiğit G; Department of Radiation Oncology, Hacettepe University Faculty of Medicine, Ankara, Türkiye., Cengiz M; Department of Radiation Oncology, Hacettepe University Faculty of Medicine, Ankara, Türkiye., Yazıcı G; Department of Radiation Oncology, Hacettepe University Faculty of Medicine, Ankara, Türkiye.
Jazyk: angličtina
Zdroj: Archives of rheumatology [Arch Rheumatol] 2022 Mar 03; Vol. 37 (3), pp. 351-360. Date of Electronic Publication: 2022 Mar 03 (Print Publication: 2022).
DOI: 10.46497/ArchRheumatol.2022.8702
Abstrakt: Objectives: The Xerostomia Inventory (XI) was developed to assess the severity of dryness in patients with xerostomia. It has a long and a short form with three- and five-point Guttman-type response options. In this study, we aimed to translate the XI into Turkish, to assess the validity and reliability of both response options in patients with head & neck cancer (HNC) or Sjögren syndrome (SS), and to select the optimal version for Turkish patients.
Patients and Methods: Between January 2019 and June 2019, the XI was translated into Turkish (XI-T) and applied to patients aged ≥18 years with HNC and SS. All patients were applied two tests including both the three- and five-point options. The internal consistency was assessed by Cronbach alpha and test-retest reliability by intraclass correlation coefficients (ICCs). Content validity was based on expert opinion and patient reviews.
Results: A total of 186 patients (109 males, 77 females; median age: 54 years; range, 19 to 78 years) answered the XI-T. The number of patients with HNC and SS was 143 (77%) and 43 (23%), respectively. Median XI-T score was 17 for the three-point, and 24 for the five-point option, respectively. Overall internal consistency was satisfactory for both options (α=0.81 and α=0.89, respectively). Overall test-retest reliability was satisfactory and ICCs ranged between 0.71 and 0.92 for the three-point, and 0.36 and 0.94 for the five-point option, respectively. Assessments based on expert opinions and patient reviews also favored the content validity of the scale.
Conclusion: The XI-T with both three- and five-point options is a valid and reliable tool to evaluate the presence and severity of dryness in patients with HNC and SS who experience xerostomia. The three-point option is more comprehensible and can be preferred over the five-point option in the Turkish population.
Competing Interests: Conflict of Interest: The authors declared no conflicts of interest with respect to the authorship and/or publication of this article.
(Copyright © 2022, Turkish League Against Rheumatism.)
Databáze: MEDLINE
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