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J Urol. 2011 Sep;186(3):945-8. doi: 10.1016/j.juro.2011.04.060. Epub 2011 Jul 24.

Validation of the modified American Urological Association symptom score.

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1
Department of Surgery, University of Colorado-Denver, School of Medicine, Aurora, Colorado 80045, USA.

Abstract

PURPOSE:

We created a shorter version of the American Urological Association symptom score, called UWIN (urgency, weak stream, incomplete emptying and nocturia).

MATERIALS AND METHODS:

Participants in Prostate Cancer Awareness Week from 2006 and 2007 were administered the regular American Urological Association symptom score and UWIN. A total of 278 participants completed each questionnaire. Total scores of each participant for the American Urological Association symptom score (range 0 to 35) and UWIN (range 0 to 12) were evaluated using Spearman's correlation coefficients and Bland-Altman plots to determine the level of agreement between the 2 questionnaires.

RESULTS:

The correlation between the total American Urological Association symptom score (range 0 to 35) and the total UWIN score (range 0 to 12) was 0.913 (p<0.0001). The correlation between the quality of life question on the American Urological Association symptom score and UWIN was 0.821 using the Spearman correlation coefficient (p<0.0001). A second analysis performed using Bland-Altman plots showed good agreement between the American Urological Association symptom score and UWIN. Overall, respondents tended to have slightly higher UWIN total scores than their American Urological Association symptom scores.

CONCLUSIONS:

This study validates that the UWIN questionnaire can be used in place of the American Urological Association symptom score. The UWIN questionnaire will lessen the burden on the respondent, broaden the applicability of the instrument and make collecting data as efficient and effective as possible.

PMID:
21791357
DOI:
10.1016/j.juro.2011.04.060
[Indexed for MEDLINE]

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