Abstract
Introduction and hypothesis
Previously, there was no specific questionnaire in the Polish language for overall assessment of lower urinary tract symptoms (LUTS) in women. The aim of this study was to translate, culturally adapt, and validate Polish versions of the International Consultation on Incontinence Modular Questionnaire on Female Lower Urinary Tract Symptoms (ICIQ-FLUTS and ICIQ-FLUTS LF, short and long forms) for use in clinical practice and research in Poland.
Methods
The original English ICIQ-FLUTS and ICIQ-FLUTS LF were adapted to Polish according to international standards and recommended procedures. Adult women with LUTS who were seen at the Department of Urology at the Jagiellonian University, Krakow, Poland, completed the ICIQ-FLUTS and ICIQ-FLUTS LF at baseline and 2 weeks later. Control participants completed the questionnaires once. Validity and reliability were determined.
Results
One hundred and eighty Polish-speaking women who had LUTS completed the questionnaires. Content validity was high. Significant differences between women with LUTS and controls for both ICIQ-FLUTS and ICIQ-FLUTS LF confirmed optimal construct validity. An intercorrelation analysis revealed that internal consistency was good for ICIQ-FLUTS and ICIQ-FLUTS LF (Cronbach’s alpha >0.7). Test–retest reliability (reproducibility) demonstrated strong stability (intraclass correlation coefficient > 0.7). Floor and ceiling effects were absent from women with LUTS, whereas a floor effect was detected in the control group.
Conclusions
The Polish ICIQ-FLUTS and ICIQ-FLUTS LF are valid, reliable, and consistent measures of overall evaluation of LUTS in women. They are equivalent to the original English versions, and they retained the psychometric properties of the original questionnaires.
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Acknowledgements
The authors thank Katarzyna Jasik, Beata Zajdel-Wazny, Joanna McCoy, Katarzyna Kocma, and the Atominium Specialist Translation Agency for their assistance with translations, and Natalia Wojtyczko for her help with the inclusion of patients. The ICIQ Development Group and Bristol Urological Institute are thanked for their permission to use the questionnaires. The Polish versions of the ICIQ-FLUTS and ICIQ-FLUTS LF are directly available from the ICIQ website (www.iciq.net).
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M. Przydacz: concept of the study, design of the research, data collection, data analysis, draft of the manuscript, draft editing; P. Dudek: data collection, draft editing; P. Chlosta: concept of the study, draft editing.
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The research ethics committee of the Jagiellonian University Medical College, Krakow, Poland approved this study (1072.6120.222.2019). The ICIQ Development Group, Bristol Urological Institute, provided written permission to translate, adapt, and validate the questionnaires.
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Przydacz, M., Dudek, P. & Chlosta, P. Polish versions of the ICIQ-FLUTS and the ICIQ-FLUTS LF: translation, adaptation, and validation of female-specific instruments for evaluation of lower urinary tract symptoms. Int Urogynecol J 32, 3259–3265 (2021). https://doi.org/10.1007/s00192-021-04793-z
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DOI: https://doi.org/10.1007/s00192-021-04793-z