title: The urinary-specific quality of life of multiple sclerosis patients: Dutch translation and validation of the SF-Qualiveen.
abstract: OBJECTIVE
  The SF-Qualiveen is a short questionnaire that measures the impact of urinary symptoms on the quality of life of patients with urological dysfunction due to neurological disorders. The aim of this study is to translate, culturally adapt and validate a Dutch version of the SF-Qualiveen for use in Multiple Sclerosis (MS) patients.
  
  
  METHODS
  Cross-cultural adaptation of the original English SF-Qualiveen into Dutch was performed according to standardized guidelines. Adult MS patients with symptomatic urinary disorders who visited the Urology or Rehabilitation outpatient clinic of the Erasmus Medical Center completed the SF-Qualiveen and the Urinary Distress Inventory-6 (UDI-6), that evaluates bother caused by lower urinary tract symptoms and was used as a gold standard, at baseline and 1-2 weeks later. A control group recruited from the Otolaryngology outpatient clinic completed the questionnaires once. Reliability and validity were determined.
  
  
  RESULTS
  Fifty MS patients and 50 controls were included. SF-Qualiveen scores in patients were higher than in controls (on a scale of 0-4: 1.73 vs. 0.34; P < 0.001). Internal consistency (Cronbach's alpha >0.8) and reproducibility (Intraclass correlation coefficients >0.8) were good for the total SF-Qualiveen. Content validity was adequate and a significant relationship between SF-Qualiveen and UDI-6 (r = 0.510-0.479, P < 0.001) confirmed good criterion validity.
  
  
  CONCLUSIONS
  The Dutch SF-Qualiveen showed good measurement properties. We recommend its use to measure urinary-specific quality of life in MS patients in research and clinical practice in the Netherlands.
authors: Department of Urology, Erasmus MC, Rotterdam, The Netherlands.
authors: Sarah H M
authors: SHM
authors: Reuvers
authors: Department of Public Health, Erasmus MC, Rotterdam, The Netherlands.
authors: Ida J
authors: IJ
authors: Korfage
authors: Department of Urology, Erasmus MC, Rotterdam, The Netherlands.
authors: Jeroen R
authors: JR
authors: Scheepe
authors: Department of Urology, Erasmus MC, Rotterdam, The Netherlands.
authors: Bertil F M
authors: BFM
authors: Blok
mesh_terms: D000328:Adult; D005260:Female; D006801:Humans; D059411:Lower Urinary Tract Symptoms / Q000150:complications / Q000175:diagnosis*; D008297:Male; D008875:Middle Aged; D009103:Multiple Sclerosis / Q000150:complications*; D009426:Netherlands; D011788:Quality of Life; D015203:Reproducibility of Results; D011795:Surveys and Questionnaires; D014177:Translations
keywords: Netherlands; neurogenic; patient reported outcome measure; quality of life; surveys and questionnaires; urinary bladder; validation studies