BACKGROUND: The objective of this study was to validate the German version of the Anderson Dysphagia Inventory (ADI), as well as to grade it by using health-related quality of life as an external criterion. PATIENTS AND METHODS: A total of 102 patients (26 women, 76 men) aged 34-90 years (61.1+/-10.8) with a treated squamous cell carcinoma of the oral cavity participated in the study. All study participants independently completed the German version of the ADI and the SF-36 questionnaire on health-related quality of life. The German ADI was tested for its validity and reliability, and subjected to a factor analysis. RESULTS: The internal consistency reliability of the ADI was calculated using Cronbach's alpha coefficient and was equal to 0.942. In the split-half reliability the Spearman-Brown coefficient scored 0.916. Factor analysis showed a one-factor result. The correlation coefficients between the point scores of the German ADI and the following clinical parameters demonstrated construct validity: radiation (p<0.001), T-classification (p=0.002), surgical method (p=0.018), not, however, tumor site (p=0.115). The grading system was as follows: scores <55 are regarded as "definitely noticeable"; scores 55-70 are considered as "more noticeable than not"; while scores >70 are classified as " more unnoticeable than not". CONCLUSION: The German translation of the ADI is a validated and reliable method to assess swallowing-related quality of life.
BACKGROUND: The objective of this study was to validate the German version of the Anderson Dysphagia Inventory (ADI), as well as to grade it by using health-related quality of life as an external criterion. PATIENTS AND METHODS: A total of 102 patients (26 women, 76 men) aged 34-90 years (61.1+/-10.8) with a treated squamous cell carcinoma of the oral cavity participated in the study. All study participants independently completed the German version of the ADI and the SF-36 questionnaire on health-related quality of life. The German ADI was tested for its validity and reliability, and subjected to a factor analysis. RESULTS: The internal consistency reliability of the ADI was calculated using Cronbach's alpha coefficient and was equal to 0.942. In the split-half reliability the Spearman-Brown coefficient scored 0.916. Factor analysis showed a one-factor result. The correlation coefficients between the point scores of the German ADI and the following clinical parameters demonstrated construct validity: radiation (p<0.001), T-classification (p=0.002), surgical method (p=0.018), not, however, tumor site (p=0.115). The grading system was as follows: scores <55 are regarded as "definitely noticeable"; scores 55-70 are considered as "more noticeable than not"; while scores >70 are classified as " more unnoticeable than not". CONCLUSION: The German translation of the ADI is a validated and reliable method to assess swallowing-related quality of life.
Authors: Colleen A McHorney; Joanne Robbins; Kevin Lomax; John C Rosenbek; Kimberly Chignell; Amy E Kramer; D Earl Bricker Journal: Dysphagia Date: 2002 Impact factor: 3.438
Authors: Eva-Maria Kraus; Natalie Rommel; Lisa H Stoll; Andreas Oettinger; Adam P Vogel; Matthis Synofzik Journal: Dysphagia Date: 2018-01-08 Impact factor: 3.438
Authors: S Graf; L Kirschstein; A Knopf; N Mansour; O Jeleff-Wölfler; A M S Buchberger; B Hofauer Journal: Eur Arch Otorhinolaryngol Date: 2021-03-25 Impact factor: 2.503