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BJU Int. 2006 Jan;97(1):101-8.

Italian validation of the International Consultation on Incontinence Questionnaires.

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  • 1S. Andrea Hospital, Rome, Italy.



To validate the Italian version of two questionnaires for lower urinary tract symptoms (LUTS), i.e. the long (LF) and the short form (SF) of the International Consultation on Incontinence Questionnaire (ICIQ).


Two native Italian speakers and a native English speaker collaborated with clinical investigators through a multistep process to obtain a consensus version of the questionnaires. The resulting Italian versions were then pre-tested during a pilot study on 16 women for the LF and 10 for the SF. The final versions of the ICIQ-LF and ICIQ-SF were administered to two samples of consecutive female patients, aged > or = 18 years, who had been having LUTS for > or = 3 months, with respectively 82 and 50 women. Internal consistency and test-retest reliability were then assessed; to evaluate the latter, a subset of patients (25 for the ICIQ-LF and 42 for ICIQ-SF) was re-rated. To test the capacity of the questionnaires to discriminate women with or without LUTS (respectively cases and controls), a sample of healthy women was also enrolled and assessed.


Both scales showed good psychometric properties overall. The correlation coefficient between ratings was > 0.75 in both questionnaires, and the discriminant power between cases and controls was confirmed for both scales. The ICIQ-SF showed good internal consistency for the total score (Cronbach's alpha 0.90). The sections of the ICIQ-LF 'impact of incontinence on everyday life', 'emotional aspects', 'urinary symptoms' and the degree of bother seemed to be internally consistent (Cronbach's alpha > 0.70); there was a weak relationship for items related to 'sexual matters' (Cronbach's alpha 0.38).


The Italian version of both questionnaires is a valid and robust instrument which can now be used reliably both in daily practice and in clinical research.

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