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Quality of Life Research

Erschienen in:

08.05.2018

Measuring quality of life in patients with stress urinary incontinence: is the ICIQ-UI-SF adequate?

verfasst von: Zuzanna Kurzawa, Jason M. Sutherland, Trafford Crump, Guiping Liu

Erschienen in: Quality of Life Research | Ausgabe 8/2018

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Abstract

Purpose

The International Consultation on Incontinence Questionnaire Short Form (ICIQ-UI-SF) is a widely used four-item patient-reported outcome (PRO) measure. Evaluations of this instrument are limited, restraining user’s confidence in the instrument. This study conducts a comprehensive evaluation of the ICIQ-UI-SF on a sample of urological surgery patients in Canada.

Methods

One hundred and seventy-seven surgical patients with stress urinary incontinence completed the ICIQ-UI-SF pre-operatively. Methods drawing from confirmatory factor analysis (CFA), measures of reliability, item response theory (IRT), and differential item functioning were applied. Ceiling effects were examined.

Results

Ceiling effects were identified. In the CFA, the factor loadings of items one and two differed significantly (p < 0.001) from item three indicating possible multidimensionality. The first two items reflect symptom severity not quality of life. Reliability was moderate as measured by Cronbach’s alpha (0.63) and McDonald’s coefficient (0.65). The IRT found the instrument does not discriminate between individuals with low incontinence-related quality of life.

Conclusions

Due to low/moderate reliability, the ICIQ-UI-SF can be used as a complement to other data or used to report aggregated surgical outcomes among surgical patients. If the primary objective is to measure quality of life, other PROs should be considered.

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Titel: Measuring quality of life in patients with stress urinary incontinence: is the ICIQ-UI-SF adequate?
verfasst von: Zuzanna Kurzawa
Jason M. Sutherland
Trafford Crump
Guiping Liu
Publikationsdatum: 08.05.2018
Verlag: Springer International Publishing
Erschienen in: Quality of Life Research / Ausgabe 8/2018
Print ISSN: 0962-9343
Elektronische ISSN: 1573-2649
DOI: https://doi.org/10.1007/s11136-018-1872-x

Springer Medizin

Abstract

Purpose

Methods

Results

Conclusions

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