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The Dutch UDI-6 and IIQ-7 are reliable, valid, and responsive instruments for assessing symptom distress of urinary incontinence and its impact on daily life in both men and women.

For assessing distress and health-related quality of life of pelvic floor dysfunction, the Dutch PFDI-20 and PFIQ-7 are reliable and valid in the general Dutch population, and also responsive and interpretable among tertiary care-seeking women.

Objectives and hypothesisTo establish the reliability and validity of the Dutch version of the Pelvic Organ Prolapse/Urinary Incontinence Sexual Questionnaire (PISQ-12) in women with pelvic floor dysfunction.MethodsThe PISQ-12 was translated into Dutch following a standardized translation process. A group of 124 women involved in a heterosexual relationship who had had symptoms of urinary incontinence, fecal incontinence and/or pelvic organ prolapse for at least 3 months were eligible for inclusion. A reference group was used for assessment of discriminative ability. Data were analyzed for internal consistency, reproducibility, construct validity, responsiveness, and interpretability. An alteration was made to item 12 and was corrected for during the analysis.ResultsThe patient group comprised 70 of the 124 eligible women, and the reference group comprised 208 women from a panel representative of the Dutch female population. The Dutch PISQ-12 showed an adequate internal consistency with a Cronbach’s alpha of 0.57 – 0.69, increasing with correction for item 12 to 0.69 – 0.75, for the reference and patient group, respectively. Scores in the patient group were lower (32.6 ± 6.9) than in the reference group (36.3 ± 4.8; p = 0.0001), indicating a lower sexual function in the patient group and good discriminative ability. Reproducibility was excellent with an intraclass correlation coefficient for agreement of 0.93 (0.88 – 0.96). A positive correlation was found with the Short Form-12 Health Survey (SF-12) measure representing good criterion validity. Due to the small number of patients who had received treatment at the 6-month follow-up, no significant responsiveness could be established.ConclusionsThis study showed that the Dutch version of the PISQ-12 has good validity and reliability. The PISQ-12 will enable Dutch physicians to evaluate sexual dysfunction in women with pelvic floor disorders.

SUMMARYErectile dysfunction (ED), affecting men worldwide, is associated with worse mental health. The severity of ED as well as the effect of its treatment can be assessed using valid self-reported outcome measures. A widely used measure is the International Index of Erectile Function short form (IIEF-5) which is not yet validated in Dutch. The objective of this study was to translate the IIEF-5 into Dutch and to investigate its reliability and validity to provide a useful evaluation tool. The IIEF-5 was translated into Dutch following standardized forward-backward procedures. To conduct this observational study, men with symptoms of ED completed the Dutch IIEF-5 at inclusion, 1 week later, and 6 months after inclusion. A population-based sample (reference group) completed the IIEF-5 once. The quality domains reliability and validity were addressed by testing the measurement properties internal consistency, reliability, measurement error, and content validity. Data of 82 patients and 253 reference group participants were analyzed. Internal consistency was adequate with Cronbach's alpha of 0.94 in both patient and reference group. In patients, the test-retest reliability was adequate with an intra-class correlation coefficient for agreement of 0.88. A floor effect was present in the patient group (42%), though not in the reference group (3%). There was no ceiling effect in patients (0%), while this was present in the reference group (17%). Analysis of responsiveness was not possible due to the limited number of patients receiving treatment. The Dutch IIEF-5 is a reliable and valid measure to determine severity of symptoms of ED. This evaluation tool is valuable for clinical use and interpreting results across international clinical studies. The context of a patient's sexual life is, however, indispensable and should be taken into account.

Validity and reliability were good in the Dutch FIQL, but inconclusive in the FISI. The Dutch FIQL can support physicians in determining the impact of FI on patient's quality of life. Neurourol. Urodynam. 36:710-715, 2017. © 2016 Wiley Periodicals, Inc.

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