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Validity and reliability of the Italian Constipation Assessment Scale
A Dal Molin1, S C McMillan, F Zenerino
1Biella Hospital University of Piemonte Orientale, Italy. alberto.dalmolin@gmail.com
International Journal of Palliative Nursing
|August 14, 2012
Summary
This study validated the Italian Constipation Assessment Scale (CAS) for oncology patients. The validated Italian CAS effectively identifies and measures constipation severity in cancer care.
Area of Science:
- Oncology
- Clinical Assessment
- Psychometrics
Background:
- Constipation is a prevalent issue in cancer patients, significantly impacting their quality of life.
- Effective management of constipation necessitates reliable and validated assessment tools.
- The Constipation Assessment Scale (CAS) is a recognized instrument for evaluating constipation.
Purpose of the Study:
- To validate the Italian translation of the Constipation Assessment Scale (CAS) for use in oncology.
- To assess the psychometric properties of the Italian CAS, including construct validity, test-retest reliability, and internal consistency.
Main Methods:
- The Italian version of the CAS was administered to a group of oncology patients and a group of healthy adults.
- Construct validity was tested by comparing CAS scores between the patient and healthy groups.
- Test-retest reliability and internal consistency (Cronbach's alpha) were calculated.
Main Results:
- A significant difference in median CAS scores was observed between oncology patients and healthy adults, supporting construct validity.
- The Italian CAS demonstrated very high test-retest reliability (r=0.96, P=0.0001).
- Internal consistency, measured by Cronbach's alpha, was found to be 0.768.
Conclusions:
- The Italian translation of the Constipation Assessment Scale (CAS) is a reliable and valid instrument for clinical use.
- The validated Italian CAS can aid healthcare professionals in documenting the presence and severity of constipation in cancer patients.
- Further research with larger patient cohorts is recommended to corroborate these findings.
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