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Validity of the Danish Prostate Symptom Score questionnaire in stroke

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Tibaek S, Dehlendorff C. Validity of the Danish Prostate Symptom Score questionnaire in stroke.

Acta Neurol Scand 2009: 120: 411–417.

© 2009 The Authors Journal compilation © 2009 Blackwell Munksgaard. Objective – 

To determine the content and face validity of the Danish Prostate Symptom Score (DAN-PSS-1) questionnaire in stroke patients. Materials and methods – 

Content validity was judged among an expert panel in neuro-urology. The judgement was measured by the content validity index (CVI). Face validity was indicated in a clinical sample of 482 stroke patients in a hospital-based, cross-sectional survey. Results – 

I-CVI was rated >0.78 (range 0.94–1.00) for 75% of symptom and bother items corresponding to adequate content validity. The expert panel rated the entire DAN-PSS-1 questionnaire highly relevant (S-CVI = 1.00). No experts suggested items omitted or improved. The response rate was 84% and face validity had an acceptable level of completed response for each symptom items (96–98%) and bother items (93–96%) indicating that all items were well interpreted. Conclusion – 

The DAN-PSS-1 questionnaire appears to be content and face valid for measuring lower urinary tract symptoms after stroke.

Keywords: Danish Prostate Symptom Score; content validity; face validity; stroke

Document Type: Research Article


Affiliations: 1: Department of Geriatrics and Rheumatology, Division of Physiotherapy, Copenhagen University Hospital, Glostrup, Denmark 2: DTU Informatics, Section for Statistics, Technical University of Denmark, Lyngby, Denmark

Publication date: December 1, 2009

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