Pelvic Floor Distress Inventory (PFDI - 20)
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Objective
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The PFDI-20 is both a symptom inventory and a measure of the degree of bother and distress (quality-of-life) caused by pelvic floor symptoms. It is a short-form version of the Pelvic Floor Distress Inventory.[1]
Intended Population
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Women with disorders of the pelvic floor including urinary incontinence, pelvic organ prolapse, and fecal incontinence.[1]
Method of Use[edit | edit source]
The PFDI-20 includes 20 questions and 3 scales. Each of the 3 scales is scored from 0 (least distress) to 100 (greatest distress). The sum of the scores of these 3 scales serves as the overall summary score of the PFDI-20 and ranges from 0 - 300. The 3 scales include questions taken from the following widely used outcome measures: Urinary Distress Inventory - 6 questions, Pelvic Organ Prolapse Distress Inventory - 6 questions, and Colorectal-Anal Distress Inventory - 8 questions.[1]
Evidence[edit | edit source]
Reliability[edit | edit source]
The PFDI-20 has good test-retest reliability intraclass coefficient .86, P< .001. Each of the 3 scales (Urinary Distress Inventory, Pelvic Organ Prolapse Distress Inventory, and Colorectal-Anal Distress Inventory) demonstrates significant correlation with their long-form scales (r = .86, r = .92, and r = .93, respectively, P < .0001.[1]
Validity[edit | edit source]
The PFDI-20 demonstrates construct validity as it demonstrates a significant association with appropriate measures of symptom severity and pelvic floor diagnoses.[1]
Responsiveness[edit | edit source]
Miscellaneous
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The strength of the PFDI-20 is that it is a short form that gives a comprehensive assessment of the effect of pelvic floor disorders on the quality of life of women, rather than assessing just one aspect of pelvic floor function such as urinary incontinence. A more generic quality-of-life form as the SF-36 has demonstrated poor responsiveness in patients undergoing treatment for urinary incontinence. In these patient populations, it may be important to use both a generic quality-of-life instrument and a condition-specific instrument that has demonstrated responsiveness.[1]
The MCID needs to be studied in larger populations.[1]
Links[edit | edit source]
Recent Related Research (from Pubmed)[edit | edit source]
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References[edit | edit source]
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- ↑ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 Barber MD, Walters MD, Bump RC. Short forms of two condition-specific quality-of-life questionnaires for women with pelvic floor disorders (PFDI-20 adn PFIQ-7). Am J Obstet Gynecol 2005;193:103-113. Cite error: Invalid
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