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Development and validation of a colorectal functional outcome questionnaire
Roel Bakx1, Mirjam A G Sprangers, Frans J Oort
1Department of Surgery, Academic Medical Center, PO Box 22660, Suite G4-130, 1100 DD, Amsterdam, The Netherlands. r.bakx@amc.uva.nl
International Journal of Colorectal Disease
|September 28, 2004
Summary
The new colorectal functional outcome (COREFO) questionnaire and the Hallböök questionnaire effectively assess outcomes after colorectal surgery. Patients preferred the COREFO questionnaire, showing its suitability for evaluating functional recovery.
Area of Science:
- Colorectal surgery outcomes
- Functional assessment tools
- Patient-reported outcomes
Background:
- Colorectal surgery frequently leads to impaired functional outcomes.
- Existing faecal incontinence grading systems are validated but limited.
- Developed comprehensive questionnaires lack validation.
Purpose of the Study:
- To assess the reliability and validity of the new colorectal functional outcome (COREFO) questionnaire.
- To evaluate Dutch translations of the Hallböök and an adapted Vaizey questionnaire.
- To compare the psychometric properties of these instruments for post-colorectal surgery assessment.
Main Methods:
- 257 patients receiving colorectal surgery completed three questionnaires via mail.
- 179 patients (70%) completed the initial assessment.
- 160 patients (90%) completed a retest within 18 days for reliability analysis.
Main Results:
- The COREFO and Hallböök questionnaires demonstrated adequate reliability and validity.
- Psychometric analyses slightly favored the COREFO questionnaire.
- The adapted Vaizey questionnaire's reliability was insufficient; COREFO was preferred by patients.
Conclusions:
- The COREFO and Hallböök questionnaires are suitable for evaluating functional outcomes post-colorectal surgery.
- COREFO showed a slight psychometric advantage and superior patient preference.
- COREFO is recommended for future research on colorectal surgery functional outcomes.