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Translation and validation of the Portuguese version of the International Consultation on Incontinence Questionnaire (ICIQ) Bladder Diary

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Abstract

Introduction and hypothesis

The International Consultation on Incontinence Questionnaire (ICIQ) Bladder Diary (BD) is a standardized and validated diary, developed in the English language, designed to assess lower urinary tract symptoms (LUTS) in men and women. This study reports the translation, cross-cultural adaptation and validation process of this diary to the Portuguese language.

Methods

After translation and back-translation of the ICIQ-BD to Portuguese, 140 urologic patients were asked to fill in this 3-day diary as well as the Overactive Bladder questionnaire Short Form (OABqSF) and a questionnaire evaluating the difficulties in filling out the ICIQ-BD. A subset of 60 patients filled out a second diary with/without LUTS treatment in between (30 patients in each group). In addition, content validity, internal consistency, criterion and construct validity were tested.

Results

The Portuguese version of the ICIQ-BD showed adequate internal consistency (Cronbach’s alpha of 0.78), and patients reported few difficulties in filling out this tool, answering most commonly 1 on a 1–6 scale of difficulty. Excellent test-retest reliability and responsiveness of the diary were observed when comparing the first diary to a second completed 2–6 weeks later. Criterion validity was also confirmed, given the good correlation with the OABqSF (Pearson’s 0.386–0.447). Finally, construct validity was established through statistically significant concordance between data obtained in the BD with generally accepted theories.

Conclusion

The present version of the ICIQ-BD is the first bladder diary successfully validated in the Portuguese language. It is a suitable and standardized tool for scientific research and diagnostic assessment of LUTS in adult men and women.

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Authors and Affiliations

  1. Urology Department, Centro Hospitalar Universitário Lisboa Norte - Hospital de Santa Maria, Avenida Professor Egas Moniz, 1649-028, Lisboa, Portugal

    Ricardo Pereira e Silva, Filipe Lopes, Miguel Fernandes, Joana Polido, Carolina Ponte & José Palma dos Reis

  2. Faculdade de Medicina da Universidade de Lisboa, Lisboa, Portugal

    Ricardo Pereira e Silva & José Palma dos Reis

  3. Internal Medicine Department, Hospital Garcia de Orta, Almada, Portugal

    André Esteves

  4. Urology Department, Bristol Urological Institute, Bristol, UK

    Alan Uren

Authors
  1. Ricardo Pereira e Silva
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  2. Filipe Lopes
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  3. Miguel Fernandes
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  4. Joana Polido
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  5. Carolina Ponte
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  6. André Esteves
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  7. Alan Uren
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  8. José Palma dos Reis
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Contributions

Pereira e Silva, R—Protocol/project development, Data collection or management, Data analysis, Manuscript writing/editing.

Lopes, F—Data collection or management, Data analysis, Manuscript writing/editing.

Fernandes, M—Data collection or management, Manuscript writing/editing.

Polido, J—Data collection or management, Manuscript writing/editing.

Ponte, C—Protocol/project development, Data collection or management.

Esteves, A—Protocol/project development, Data collection or management, Data analysis.

Uren, A—Data analysis, Manuscript writing/editing.

Palma dos Reis, J—Protocol/project development, Manuscript writing/editing.

Corresponding author

Correspondence to Ricardo Pereira e Silva.

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The authors declare no conflict of interest.

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This study was performed at Hospital de Santa Maria – Centro Hospitalar Universitário Lisboa Norte, Lisbon, Portugal

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Pereira e Silva, R., Lopes, F., Fernandes, M. et al. Translation and validation of the Portuguese version of the International Consultation on Incontinence Questionnaire (ICIQ) Bladder Diary. Int Urogynecol J 33, 3061–3066 (2022). https://doi.org/10.1007/s00192-021-05037-w

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  • DOI: https://doi.org/10.1007/s00192-021-05037-w

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