Cross-Cultural Application of the Korean Version of Ureteral Stent Symptoms Questionnaire
- Authors
- Park, Jinsung; Shin, Dong Wook; You, Changhee; Chung, Kyung Jin; Han, Deok Hyun; Joshi, Hrishi B.; Park, Hyung Keun
- Issue Date
- Nov-2012
- Publisher
- MARY ANN LIEBERT INC
- Citation
- JOURNAL OF ENDOUROLOGY, v.26, no.11, pp.1518 - 1522
- Journal Title
- JOURNAL OF ENDOUROLOGY
- Volume
- 26
- Number
- 11
- Start Page
- 1518
- End Page
- 1522
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/16050
- DOI
- 10.1089/end.2012.0235
- ISSN
- 0892-7790
- Abstract
- Purpose: We validated the Korean version of the Ureteral Stent Symptoms Questionnaire (USSQ) in patients with an indwelling ureteral stent. Materials and Methods: Linguistic validation of the original USSQ was performed through a standard process including translation, back translation, and pilot study. A total of 65 patients who underwent ureteroscopic surgery were asked to complete the Korean USSQ as well as EuroQOL (male and female), the International Prostate Symptom Score (male), and Urogenital Distress Inventory-6 (female). Patients were evaluated at weeks 1 and 2 after stent placement and at week 4 after removal. Sixty-four healthy subjects without a ureteral stent were also asked to complete the Korean USSQ once. The psychometric properties of the questionnaire were analyzed. Results: Internal consistencies (Cronbach alpha coefficients: 0.73-0.83) and test-retest reliability (Spearman correlation coefficient: >= 0.6) were satisfactory for urinary symptom, body pain, general health, and work performance domains. Most USSQ domains showed moderate correlations with each other. Convergent validity determined by correlation between other instruments and corresponding USSQ domain was satisfactory. Sensitivity to change and discriminant validity were also good in most domains (P < 0.01). Only a small proportion of the study population had an active sexual life, with the stent in situ, limiting its analysis. Conclusions: The Korean version of the USSQ is a reliable and valid instrument that can be self-administered by Korean patients with a ureteral stent in the clinical and research settings. Further clinical studies in the Korean settings would be useful to provide robust data on sensitivity to change.
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