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Validation of the Polish version of the Pelvic Floor Distress Inventory

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Abstract

Introduction and hypothesis

The aim of this study was to develop a Polish language version of the short form of the Pelvic Floor Distress Inventory (PFDI-20) and to validate it in a sample of Polish-speaking women with pelvic floor disorders (PFDs).

Methods

The PFDI-20 was initially translated in a stepwise fashion as guided by the International Urogynecological Association (IUGA) Translation Protocol. After initial forward translation from English to Polish, a community review process consisting of cognitive interviews and confirmation via back translation was performed. The final Polish version of the PFDI-20 was administered to Polish-speaking patients presenting with PFDs at university-based urogynecology clinics in Poland and the United States, along with a Polish version of the King’s Health Questionnaire (KHQ). Internal consistency and criterion validity were assessed. Test–retest reliability was assessed in 100 patients after 2 weeks.

Results

A total of 254 women with PFDs enrolled in this multicenter study. Complete data from 44 Polish-speaking women in the United States and 200 women in Poland were analyzed. Participants had a mean age of 60.3 ± 11.2 years and mean body mass index (BMI) 27.6 ± 4.7. Internal consistency as measured by Cronbach’s alpha was good (0.89). Criterion validity was adequate between responses on the KHQ and PFDI-20 with Pearson correlations in particular domains (0.27–0.50, P < 0.05). Excellent test–retest reliability was demonstrated by intraclass correlation using a two-way mixed-effects model with absolute agreement (0.87).

Conclusions

The Polish version of the PFDI is a reliable tool for evaluating pelvic floor symptoms in Polish-speaking women with PFDs.

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Authors and Affiliations

  1. Department of Gynecology, Gynecologic Oncology and Gynecologic Endocrinology, Medical University of Gdańsk, Kliniczna 1a, 80-402, Gdańsk, Poland

    Magdalena E. Grzybowska, Justyna Piaskowska-Cala & Dariusz Wydra

  2. Department of Medical Social Sciences, Northwestern University Feinberg School of Medicine, Chicago, IL, USA

    James W. Griffith

  3. Department of Obstetrics and Gynecology, Division of Female Pelvic Medicine and Reconstructive Surgery, Northwestern University, Prentice Women’s Hospital, Feinberg School of Medicine, 250 E Superior Street, 05-2370, Chicago, IL, 60611, USA

    Kimberly Kenton, Margaret Mueller, Christina Lewicky-Gaupp & Katarzyna Bochenska

Authors
  1. Magdalena E. Grzybowska
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  2. James W. Griffith
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  3. Kimberly Kenton
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  4. Margaret Mueller
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  5. Justyna Piaskowska-Cala
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  6. Christina Lewicky-Gaupp
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  7. Dariusz Wydra
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  8. Katarzyna Bochenska
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Corresponding author

Correspondence to Katarzyna Bochenska.

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The authors declare that they have no conflicts of interest, except Dr. Kenton, who receives grant funding from Boston Scientific and is an expert witness for Ethicon.

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Grzybowska, M.E., Griffith, J.W., Kenton, K. et al. Validation of the Polish version of the Pelvic Floor Distress Inventory. Int Urogynecol J 30, 101–105 (2019). https://doi.org/10.1007/s00192-018-3715-2

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  • DOI: https://doi.org/10.1007/s00192-018-3715-2

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