Dominik Abt1, Kristina Dötzer2, Patrick Honek3, Karolina Müller4, Daniel Stephan Engeler1, Maximilian Burger2, Hans-Peter Schmid1, Thomas Knoll3, Francesco Sanguedolce5, Hrishi B Joshi6, Hans-Martin Fritsche7. 1. Department of Urology, Cantonal Hospital St. Gallen, St. Gallen, Switzerland. 2. Department of Urology, Caritas-St. Josef Medical Center, University of Regensburg, Regensburg, Germany. 3. Department of Urology, Klinikum Sindelfingen, University of Tübingen, Tübingen, Germany. 4. Center for Clinical Studies, University Hospital Regensburg, Regensburg, Germany. 5. Department of Urology, King's College Hospital, London, UK. 6. Department of Urology, University Hospital of Wales, Cardiff, Wales, UK. 7. Department of Urology, Caritas-St. Josef Medical Center, University of Regensburg, Regensburg, Germany. hans-martin.fritsche@klinik.uni-regensburg.de.
Abstract
PURPOSE: We developed and validated the German version of the Ureteral Stent Symptoms Questionnaire (USSQ) for male and female patients with indwelling ureteral stents. METHODS: The German version of the USSQ was developed following a well-established multistep process. A total of 101 patients with indwelling ureteral stents completed the German USSQ as well as the validated questionnaires International Prostate Symptom Score (IPSS) or International Consultation on Incontinence Questionnaire (ICIQ) and the Short Form Health Survey (SF-36). Patients completed questionnaires at 1 and 2-4 weeks after stent insertion and 4 weeks after stent removal. Statistical analyses were performed to assess the psychometric properties of the questionnaire. RESULTS: The German version of the USSQ showed good internal consistency (Cronbach's α = .72-.88) and test-retest reliability [intraclass correlation coefficient (ICC) = .81-.92]. Inter-domain associations within the USSQ showed substantial correlations between different USSQ domains, indicating a high conceptual relationship of the domains. Except from urinary symptoms and general quality of life, German USSQ showed good convergent validity with the corresponding validated questionnaires. All USSQ domains showed significant sensitivity to change (p ≤ .001). CONCLUSION: The new German version of the USSQ proved to be a reliable and robust instrument for the evaluation of ureteral stent-associated morbidity for both male and female patients. It is expected to be a valid outcome measure in the future stent research.
PURPOSE: We developed and validated the German version of the Ureteral Stent Symptoms Questionnaire (USSQ) for male and female patients with indwelling ureteral stents. METHODS: The German version of the USSQ was developed following a well-established multistep process. A total of 101 patients with indwelling ureteral stents completed the German USSQ as well as the validated questionnaires International Prostate Symptom Score (IPSS) or International Consultation on Incontinence Questionnaire (ICIQ) and the Short Form Health Survey (SF-36). Patients completed questionnaires at 1 and 2-4 weeks after stent insertion and 4 weeks after stent removal. Statistical analyses were performed to assess the psychometric properties of the questionnaire. RESULTS: The German version of the USSQ showed good internal consistency (Cronbach's α = .72-.88) and test-retest reliability [intraclass correlation coefficient (ICC) = .81-.92]. Inter-domain associations within the USSQ showed substantial correlations between different USSQ domains, indicating a high conceptual relationship of the domains. Except from urinary symptoms and general quality of life, German USSQ showed good convergent validity with the corresponding validated questionnaires. All USSQ domains showed significant sensitivity to change (p ≤ .001). CONCLUSION: The new German version of the USSQ proved to be a reliable and robust instrument for the evaluation of ureteral stent-associated morbidity for both male and female patients. It is expected to be a valid outcome measure in the future stent research.
Entities:
Keywords:
DJ stent; German validation; Quality of life; Questionnaires; USSQ; Ureter
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