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Psychometric Properties of the Pain Numeric Rating Scale When Applied to Multiple Body Regions among Professional Musicians

BACKGROUND: Despite the broad popularity of a numeric rating scale (NRS) its psychometric properties are not well known. The objective was to determine if there is any difference in the discrimination ability of the NRS when used for measuring pain severity separately in different body regions. METH...

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Autores principales: Saltychev, Mikhail, Vastamäki, Heidi, Mattie, Ryan, McCormick, Zachary, Vastamäki, Martti, Laimi, Katri
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Public Library of Science 2016
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5014406/
https://www.ncbi.nlm.nih.gov/pubmed/27603011
http://dx.doi.org/10.1371/journal.pone.0161874
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author Saltychev, Mikhail
Vastamäki, Heidi
Mattie, Ryan
McCormick, Zachary
Vastamäki, Martti
Laimi, Katri
author_facet Saltychev, Mikhail
Vastamäki, Heidi
Mattie, Ryan
McCormick, Zachary
Vastamäki, Martti
Laimi, Katri
author_sort Saltychev, Mikhail
collection PubMed
description BACKGROUND: Despite the broad popularity of a numeric rating scale (NRS) its psychometric properties are not well known. The objective was to determine if there is any difference in the discrimination ability of the NRS when used for measuring pain severity separately in different body regions. METHODS: Cross-sectional survey study of 630 professional musicians. Item Response Theory (IRT) was used to define the psychometric properties of the NRS. RESULTS: The discrimination ability of the pain NRS was dependent on the body area to which it was applied. The discrimination was low 0.5 (95% CI 0.4. to 0.7) for the hand region and perfect for the shoulder and upper part of the neck– 3.2 (95% CI 1.2 to 5.2) and 10.5 (95% CI 10.0 to 10.9), respectively. Both shoulder and neck NRSs showed a great shift towards higher levels of pain severity meaning that the ability of the NRS to discriminate low levels of pain is poor. NRS scores obtained from all other regions did not demonstrate any discrimination ability. CONCLUSIONS: The pain NRS might have different psychometric properties depending on the body area to which it is applied. Overall, the modest discrimination ability of the pain NRS implies that it should be used in screening questionnaires with some reservations.
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spelling pubmed-50144062016-09-27 Psychometric Properties of the Pain Numeric Rating Scale When Applied to Multiple Body Regions among Professional Musicians Saltychev, Mikhail Vastamäki, Heidi Mattie, Ryan McCormick, Zachary Vastamäki, Martti Laimi, Katri PLoS One Research Article BACKGROUND: Despite the broad popularity of a numeric rating scale (NRS) its psychometric properties are not well known. The objective was to determine if there is any difference in the discrimination ability of the NRS when used for measuring pain severity separately in different body regions. METHODS: Cross-sectional survey study of 630 professional musicians. Item Response Theory (IRT) was used to define the psychometric properties of the NRS. RESULTS: The discrimination ability of the pain NRS was dependent on the body area to which it was applied. The discrimination was low 0.5 (95% CI 0.4. to 0.7) for the hand region and perfect for the shoulder and upper part of the neck– 3.2 (95% CI 1.2 to 5.2) and 10.5 (95% CI 10.0 to 10.9), respectively. Both shoulder and neck NRSs showed a great shift towards higher levels of pain severity meaning that the ability of the NRS to discriminate low levels of pain is poor. NRS scores obtained from all other regions did not demonstrate any discrimination ability. CONCLUSIONS: The pain NRS might have different psychometric properties depending on the body area to which it is applied. Overall, the modest discrimination ability of the pain NRS implies that it should be used in screening questionnaires with some reservations. Public Library of Science 2016-09-07 /pmc/articles/PMC5014406/ /pubmed/27603011 http://dx.doi.org/10.1371/journal.pone.0161874 Text en © 2016 Saltychev et al http://creativecommons.org/licenses/by/4.0/ This is an open access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) , which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
spellingShingle Research Article
Saltychev, Mikhail
Vastamäki, Heidi
Mattie, Ryan
McCormick, Zachary
Vastamäki, Martti
Laimi, Katri
Psychometric Properties of the Pain Numeric Rating Scale When Applied to Multiple Body Regions among Professional Musicians
title Psychometric Properties of the Pain Numeric Rating Scale When Applied to Multiple Body Regions among Professional Musicians
title_full Psychometric Properties of the Pain Numeric Rating Scale When Applied to Multiple Body Regions among Professional Musicians
title_fullStr Psychometric Properties of the Pain Numeric Rating Scale When Applied to Multiple Body Regions among Professional Musicians
title_full_unstemmed Psychometric Properties of the Pain Numeric Rating Scale When Applied to Multiple Body Regions among Professional Musicians
title_short Psychometric Properties of the Pain Numeric Rating Scale When Applied to Multiple Body Regions among Professional Musicians
title_sort psychometric properties of the pain numeric rating scale when applied to multiple body regions among professional musicians
topic Research Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5014406/
https://www.ncbi.nlm.nih.gov/pubmed/27603011
http://dx.doi.org/10.1371/journal.pone.0161874
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