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The PISQ-IR: considerations in scale scoring and development.

Todd H Rockwood1, Melissa L Constantine, Olusola Adegoke

  • 1Division of Health Policy and Management, University of Minnesota, 420 Delaware Street SE MMC 729, 55455 Minneapolis, MN, USA. rockw001@umn.edu

International Urogynecology Journal
|May 2, 2013
PubMed
Summary
This summary is machine-generated.

The Pelvic Organ Prolapse Incontinence Sexual Questionnaire, IUGA-Revised (PISQ-IR) shows strong psychometric properties for sexually active women with pelvic floor disorders (PFD). Scoring recommendations include mean calculation or transformed summation for sub-scales.

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Area of Science:

  • Urology
  • Gynecology
  • Psychometrics

Background:

  • Pelvic floor disorders (PFD) significantly impact women's quality of life, including sexual function.
  • Accurate assessment of sexual function is crucial for managing PFD.
  • The Pelvic Organ Prolapse Incontinence Sexual Questionnaire, IUGA-Revised (PISQ-IR) is a key instrument for this evaluation.

Purpose of the Study:

  • To conduct a psychometric analysis of the revised Pelvic Organ Prolapse Incontinence Sexual Questionnaire, IUGA-Revised (PISQ-IR).
  • To establish optimal scoring methods for the PISQ-IR sub-scales.
  • To evaluate the psychometric properties of the PISQ-IR in women with pelvic floor disorders.

Main Methods:

  • Utilized standard psychometric tools to assess item distributions and scale properties.
  • Conducted nonresponse analysis and evaluated imputation methods for missing data.
  • Compared three scoring methods: simple summation, mean calculation, and transformed summation.

Main Results:

  • The PISQ-IR exhibits robust psychometric properties in sexually active women.
  • Moderate item nonresponse was observed in non-sexually active women, raising some concerns.
  • Single imputation is not advised; multiple imputation is complex for clinical research. Mean calculation or transformed summation are recommended for scoring sub-scales, not a summary score.

Conclusions:

  • The PISQ-IR is a valid measure for assessing sexual function in women with PFD, particularly those who are sexually active.
  • Recommendations for scoring PISQ-IR sub-scales include answering at least half the items, avoiding imputation, and using mean calculation or transformed summation.
  • A summary score for the PISQ-IR is not recommended.