Development and validation of the Patient Assessment of Constipation Quality of Life questionnaire

@article{Marquis2005DevelopmentAV,
  title={Development and validation of the Patient Assessment of Constipation Quality of Life questionnaire},
  author={Patrick Marquis and Christine de la Loge and Dominique J. Dubois and Anne M McDermott and Olivier Chassany},
  journal={Scandinavian Journal of Gastroenterology},
  year={2005},
  volume={40},
  pages={540 - 551}
}
Objective Chronic constipation is characterized by difficult, infrequent, or seemingly incomplete bowel movements. The Patient Assessment of Constipation Quality of Life (PAC-QOL) questionnaire was developed to address the need for a standardized, patient-reported outcomes measure to evaluate constipation over time. Material and methods Items for the PAC-QOL were generated from the literature, clinical experts, and patients. Following principal components and multi-trait analyses, 28 items were… 

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The Persian version of the PAC-QOL questionnaire demonstrated good validity and reliability properties in chronic constipation, and Persian researchers and clinicians can benefit from this questionnaire in further research and assessment of treatment outcomes.

Reliability and validity of the Persian version of patient assessment of constipation- quality of life (PAC-QOL) questionnaire

The Persian version of PAC-QOL questionnaire is shown to have acceptable reliability and validity to be used for psychometric evaluation in Iranian patients complaining of functional constipation.
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