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Confirmatory factor analysis of the International Pain Outcome questionnaire in surgery

BACKGROUND: Choosing perioperative suitable treatments requires reliable and valid outcome measurements. The International Pain Outcome (IPO) questionnaire has been widely used for quality improvement and research purposes within the PAIN-OUT network that has collected more than 550,000 data sets of...

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Autores principales: Polanco-García, Mauricio, Granero, Roser, Gallart, Lluís, García-Lopez, Jaume, Montes, Antonio
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Wolters Kluwer 2021
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7939228/
https://www.ncbi.nlm.nih.gov/pubmed/33693302
http://dx.doi.org/10.1097/PR9.0000000000000903
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author Polanco-García, Mauricio
Granero, Roser
Gallart, Lluís
García-Lopez, Jaume
Montes, Antonio
author_facet Polanco-García, Mauricio
Granero, Roser
Gallart, Lluís
García-Lopez, Jaume
Montes, Antonio
author_sort Polanco-García, Mauricio
collection PubMed
description BACKGROUND: Choosing perioperative suitable treatments requires reliable and valid outcome measurements. The International Pain Outcome (IPO) questionnaire has been widely used for quality improvement and research purposes within the PAIN-OUT network that has collected more than 550,000 data sets of postoperative patients in 200 hospitals worldwide. Our aim is to confirm psychometric properties of the Spanish version of the IPO questionnaire and its invariance by pain predictors. METHOD: Sample included 4014 participants within a large age range, who underwent different surgical procedures. Confirmatory factor analysis (CFA) assessed internal structure, considering invariance by sex, age, procedure, smoking, obesity, affective disorder, and chronic pain. Incremental predictive validity of factor scores on question would have liked more pain treatment and opioid requirement was also estimated with logistic binary regression. RESULTS: Confirmatory factor analysis verified original structure in 3 factors measuring pain intensity and interference (F1), adverse effects (F2), and perceptions of care (F3), with good internal consistency. Multigroup CFA analysis confirmed invariance by assessed pain predictors. Good incremental predictive capacity to identify would have liked more pain treatment was achieved. CONCLUSION: Our study confirms the factor structure, supports reliability, and adds some evidence of convergent validity of the Spanish adaptation of the IPO questionnaire. The sum of scores in its main factors serves a global outcome analysis tool. Low scores in F1 and F2 with high scores in F3 would indicate optimal quality of care.
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spelling pubmed-79392282021-03-09 Confirmatory factor analysis of the International Pain Outcome questionnaire in surgery Polanco-García, Mauricio Granero, Roser Gallart, Lluís García-Lopez, Jaume Montes, Antonio Pain Rep Acute and Perioperative BACKGROUND: Choosing perioperative suitable treatments requires reliable and valid outcome measurements. The International Pain Outcome (IPO) questionnaire has been widely used for quality improvement and research purposes within the PAIN-OUT network that has collected more than 550,000 data sets of postoperative patients in 200 hospitals worldwide. Our aim is to confirm psychometric properties of the Spanish version of the IPO questionnaire and its invariance by pain predictors. METHOD: Sample included 4014 participants within a large age range, who underwent different surgical procedures. Confirmatory factor analysis (CFA) assessed internal structure, considering invariance by sex, age, procedure, smoking, obesity, affective disorder, and chronic pain. Incremental predictive validity of factor scores on question would have liked more pain treatment and opioid requirement was also estimated with logistic binary regression. RESULTS: Confirmatory factor analysis verified original structure in 3 factors measuring pain intensity and interference (F1), adverse effects (F2), and perceptions of care (F3), with good internal consistency. Multigroup CFA analysis confirmed invariance by assessed pain predictors. Good incremental predictive capacity to identify would have liked more pain treatment was achieved. CONCLUSION: Our study confirms the factor structure, supports reliability, and adds some evidence of convergent validity of the Spanish adaptation of the IPO questionnaire. The sum of scores in its main factors serves a global outcome analysis tool. Low scores in F1 and F2 with high scores in F3 would indicate optimal quality of care. Wolters Kluwer 2021-03-05 /pmc/articles/PMC7939228/ /pubmed/33693302 http://dx.doi.org/10.1097/PR9.0000000000000903 Text en Copyright © 2021 The Author(s). Published by Wolters Kluwer Health, Inc. on behalf of The International Association for the Study of Pain. https://creativecommons.org/licenses/by/4.0/This is an open access article distributed under the Creative Commons Attribution License 4.0 (CCBY) (https://creativecommons.org/licenses/by/4.0/) , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
spellingShingle Acute and Perioperative
Polanco-García, Mauricio
Granero, Roser
Gallart, Lluís
García-Lopez, Jaume
Montes, Antonio
Confirmatory factor analysis of the International Pain Outcome questionnaire in surgery
title Confirmatory factor analysis of the International Pain Outcome questionnaire in surgery
title_full Confirmatory factor analysis of the International Pain Outcome questionnaire in surgery
title_fullStr Confirmatory factor analysis of the International Pain Outcome questionnaire in surgery
title_full_unstemmed Confirmatory factor analysis of the International Pain Outcome questionnaire in surgery
title_short Confirmatory factor analysis of the International Pain Outcome questionnaire in surgery
title_sort confirmatory factor analysis of the international pain outcome questionnaire in surgery
topic Acute and Perioperative
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7939228/
https://www.ncbi.nlm.nih.gov/pubmed/33693302
http://dx.doi.org/10.1097/PR9.0000000000000903
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