Quality of Life in Turkish Patients with Autoimmune Blistering Diseases: Reliability and Validity of the Autoimmune Bullous Disease Quality of Life and the Treatment of Autoimmune Bullous Disease Quality of Life Questionnaires

Özet

Background: The Autoimmune Bullous Disease Quality of Life (ABQOL) and the Treatment of Autoimmune Bullous Disease Qualityof Life (TABQOL) questionnaires, which are specific for autoimmune blistering diseases (AIBDs), were developed in Australia.Aims and Objectives: The aim of this study was to validate the Turkish version of the ABQOL and TABQOL questionnaires and to assess thereliability of them in the Turkish population. Materials and Methods: The Turkish versions of the ABQOL and TABQOL questionnaires wereproduced by forward–backward translation of the original English version. The patients were requested to complete ABQOL and TABQOLquestionnaires on day 0 and after 7 days for a 2nd time sent by post. Furthermore, patients also completed other health‑related quality of lifescales on day 0. Results: A total of 68 patients with AIBDs were recruited. A subset of 20 (29.4%) patients completed the day 7 questionnaire.Both the Turkish versions of the ABQOL and TABQOL questionnaires had a high internal consistency (0.86 and 0.88, respectively) and test–retest reliability (0.87 and 0.87, respectively). The correlation between ABQOL and TABQOL scores was moderate (Pearson’s R = 0.609).Conclusion: We have shown that the Turkish versions of ABQOL and TABQOL questionnaires are valid and reliable instruments. They canbe used to measure treatment burden in Turkish AIBD patients.