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NCT Number: NCT07242898

Clinically Important or Just Statistically Significant? MCID for DVISS and PIN-Q in Children With UI

The goal of this study was to determine the Minimal Clinically Important Difference (MCID) for the Dysfunctional Voiding and Incontinence Symptom Score (DVISS) and the Pediatric Incontinence Questionnaire (PIN-Q) in children with urinary incontinence (UI).

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Key information

About this study

100 children with UI will receive standard urotherapy (SU) for 8 weeks. UI-related symptoms and quality of life (QoL) will be assessed with the DVISS and PIN-Q baseline and after treatment. The receiver operating characteristic (ROC) analysis and the Gamma coefficient will be employed to assess responsiveness.

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • diagnosis of UI according to the International Children's Continence Society (ICCS) Guideline,
  • children aged 5-13 years (when UI becomes more prevalent in children).

Exclusion criteria

  • congenital anomalies of the uro-genital system,
  • only neurogenic bladder dysfunction.

Treatment and study plan

Standard Urotherapy (SU)

Other

SU will be included appropriate provision of information and demystification, lifestyle advice, instructions, behavioral modifications to achieve optimal bladder and bowel habits, registration of symptoms and voiding habits, support, and encouragement

Primary outcomes

  1. Dysfunctional Voiding and Incontinence Symptom Score (DVISS)

    Time frame: Baseline

    DVISS includes 14 items: 13 assess lower urinary tract symptoms (LUTS), voiding and defecation habits day and night, and one evaluates impact on severity and daily life activities (DLA). A score of 8.5+ indicates abnormal voiding; higher scores mean more severe disease.

  2. Dysfunctional Voiding and Incontinence Symptom Score (DVISS)

    Time frame: At Week 8, immediately after completion of the 8-week intervention

    DVISS includes 14 items: 13 assess lower urinary tract symptoms (LUTS), voiding and defecation habits day and night, and one evaluates impact on severity and daily life activities (DLA). A score of 8.5+ indicates abnormal voiding; higher scores mean more severe disease.

Secondary outcomes

  1. Pediatric Urinary Incontinence Quality of Life Questionnaire (PIN-Q)

    Time frame: Baseline

    This 4-point Likert scale assesses the emotional impact of UI on a child, with 20 questions and a maximum score of 80. Higher scores mean a greater impact on QoL: 0-20 is mild, 21-50 moderate, and 51+ severe.

  2. Pediatric Urinary Incontinence Quality of Life Questionnaire (PIN-Q)

    Time frame: At Week 8, immediately after completion of the 8-week intervention

    This 4-point Likert scale assesses the emotional impact of UI on a child, with 20 questions and a maximum score of 80. Higher scores mean a greater impact on QoL: 0-20 is mild, 21-50 moderate, and 51+ severe.

Other outcomes

  1. Global Rating Change (GRC)

    Time frame: At Week 8, immediately after completion of the 8-week intervention

    The GRC comprised seven responses, ranging from 1 to 5, indicating "very much better," "slightly better," "no change," "slightly worse," and "very much worse," respectively.

Study contacts

Contact information is provided by the study sponsor or research team.

Zeynep Yıldız Kızkın

CONTACT

[email protected]

+905346945085

Sponsors and collaborators

Lead sponsor

Artvin Coruh University

Other

Registry information

Official study title

Clinically Important or Just Statistically Significant? Minimal Clinically Important Difference for DVISS and PIN-Q in Children With Urinary Incontinence

Important dates

Study start
2026
Primary completion
2026
Study completion
2026
First posted
Nov 21, 2025
Registry last updated
Nov 21, 2025

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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