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Validation of the Thai version of the International Consultation on Incontinence Questionnaire-Female Lower Urinary Tract Symptoms (ICIQ-FLUTS)

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Abstract

Introduction and hypothesis

To provide a validated Thai language version of the International Consultation on Incontinence Questionnaire-Female Lower Urinary Tract Symptoms (ICIQ-FLUTS) following a standardized procedure and to evaluate its psychometric properties.

Methods

After IRB approval, the English ICIQ-FLUTS was translated into Thai according to the cross-cultural adaptation process for patient-reported outcome measures. The psychometric properties of the final version of the Thai ICIQ-FLUTS were tested for content validity, internal consistency, construct validity, and test-retest reliability. Patients attending an urogynecology clinic and women from two communities were recruited for this study.

Results

The final Thai version of the ICIQ-FLUTS was developed and assessed by a panel of clinicians fluent in both languages including the content expert. Women with and without female lower urinary tract symptoms (FLUTS), in whom the translation was pretested, agreed that the final version made sense and was understandable. Among the 288 women who received the questionnaires, 283 (142 attending the clinic and 141 living in the communities) returned the completed questionnaire. The overall internal consistency of the Thai-version questionnaire was high, with a Cronbach’s alpha score of 0.849. Symptom scores for filling, voiding, and incontinence in patients attending the clinic were significantly higher than in individuals from the community (p < 0.001). The correlation coefficients between the test and retest among 136 participants for symptoms of filling, voiding, and incontinence were 0.925, 0.769, and 0.921, respectively (p < 0.05).

Conclusions

The Thai ICIQ-FLUTS contained satisfactory content and exhibited construct validity, internal consistency, and test-retest reliability. It is equivalent to the original English version and will be a valuable tool for assessing LUTS in Thai-speaking women.

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Acknowledgements

The authors thank Ms. Umaporn Udomsubpayakul, MSc, for her assistance with statistical analysis and gratefully acknowledge the efforts of our survey respondents.

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Authors and Affiliations

  1. Department of Obstetrics & Gynaecology, Faculty of Medicine Ramathibodi Hospital, Mahidol University, 270 Rama VI Road, Ratchathewi, Bangkok, 10400, Thailand

    Kitti Chattrakulchai, Jittima Manonai & Rujira Wattanayingcharoenchai

  2. Department of Psychiatry, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand

    Chatchawan Silpakit

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  1. Kitti Chattrakulchai
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  2. Jittima Manonai
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  3. Chatchawan Silpakit
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Correspondence to Jittima Manonai.

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Chattrakulchai, K., Manonai, J., Silpakit, C. et al. Validation of the Thai version of the International Consultation on Incontinence Questionnaire-Female Lower Urinary Tract Symptoms (ICIQ-FLUTS). Int Urogynecol J 31, 2603–2610 (2020). https://doi.org/10.1007/s00192-020-04422-1

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  • DOI: https://doi.org/10.1007/s00192-020-04422-1

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