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Within-session test-retest reliability of pressure pain threshold and mechanical temporal summation in healthy subjects

OBJECTIVE: To determine the absolute and relative intra-rater within-session test-retest reliability of pressure pain threshold (PPT) and mechanical temporal summation of pain (TSP) at the low back and the forearm in healthy participants and to test the influence of the number and sequence of measur...

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Autores principales: Mailloux, Catherine, Beaulieu, Louis-David, Wideman, Timothy H., Massé-Alarie, Hugo
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Public Library of Science 2021
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7802960/
https://www.ncbi.nlm.nih.gov/pubmed/33434233
http://dx.doi.org/10.1371/journal.pone.0245278
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author Mailloux, Catherine
Beaulieu, Louis-David
Wideman, Timothy H.
Massé-Alarie, Hugo
author_facet Mailloux, Catherine
Beaulieu, Louis-David
Wideman, Timothy H.
Massé-Alarie, Hugo
author_sort Mailloux, Catherine
collection PubMed
description OBJECTIVE: To determine the absolute and relative intra-rater within-session test-retest reliability of pressure pain threshold (PPT) and mechanical temporal summation of pain (TSP) at the low back and the forearm in healthy participants and to test the influence of the number and sequence of measurements on reliability metrics. METHODS: In 24 participants, three PPT and TSP measures were assessed at four sites (2 at the low back, 2 at the forearm) in two blocks of measurements separated by 20 minutes. The standard error of measurement, the minimal detectable change (MDC) and the intraclass correlation coefficient (ICC) were investigated for five different sequences of measurements (e.g. measurement 1, 1–2, 1-2-3). RESULTS: The MDC for the group (MDC(gr)) for PPT ranged from 28.71 to 50.56 kPa across the sites tested, whereas MDC(gr) for TSP varied from 0.33 to 0.57 out of 10 (numeric scale). Almost all ICC showed an excellent relative reliability (between 0.80 and 0.97), except when only the first measurement was considered (moderate). Although minimal differences in absolute PPT reliability were present between the different sequences, in general, using only the first measurement increase measurement error. Three TSP measures reduced the measurement error. DISCUSSION: We established that two measurements of PPT and three of TSP reduced the measurement error and demonstrated an excellent relative reliability. Our results could be used in future pain research to confirm the presence of true hypo/hyperalgesia for paradigms such as conditioned pain modulation or exercise-induced hypoalgesia, indicated by a change exceeding the measurement variability.
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spelling pubmed-78029602021-01-25 Within-session test-retest reliability of pressure pain threshold and mechanical temporal summation in healthy subjects Mailloux, Catherine Beaulieu, Louis-David Wideman, Timothy H. Massé-Alarie, Hugo PLoS One Research Article OBJECTIVE: To determine the absolute and relative intra-rater within-session test-retest reliability of pressure pain threshold (PPT) and mechanical temporal summation of pain (TSP) at the low back and the forearm in healthy participants and to test the influence of the number and sequence of measurements on reliability metrics. METHODS: In 24 participants, three PPT and TSP measures were assessed at four sites (2 at the low back, 2 at the forearm) in two blocks of measurements separated by 20 minutes. The standard error of measurement, the minimal detectable change (MDC) and the intraclass correlation coefficient (ICC) were investigated for five different sequences of measurements (e.g. measurement 1, 1–2, 1-2-3). RESULTS: The MDC for the group (MDC(gr)) for PPT ranged from 28.71 to 50.56 kPa across the sites tested, whereas MDC(gr) for TSP varied from 0.33 to 0.57 out of 10 (numeric scale). Almost all ICC showed an excellent relative reliability (between 0.80 and 0.97), except when only the first measurement was considered (moderate). Although minimal differences in absolute PPT reliability were present between the different sequences, in general, using only the first measurement increase measurement error. Three TSP measures reduced the measurement error. DISCUSSION: We established that two measurements of PPT and three of TSP reduced the measurement error and demonstrated an excellent relative reliability. Our results could be used in future pain research to confirm the presence of true hypo/hyperalgesia for paradigms such as conditioned pain modulation or exercise-induced hypoalgesia, indicated by a change exceeding the measurement variability. Public Library of Science 2021-01-12 /pmc/articles/PMC7802960/ /pubmed/33434233 http://dx.doi.org/10.1371/journal.pone.0245278 Text en © 2021 Mailloux 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
Mailloux, Catherine
Beaulieu, Louis-David
Wideman, Timothy H.
Massé-Alarie, Hugo
Within-session test-retest reliability of pressure pain threshold and mechanical temporal summation in healthy subjects
title Within-session test-retest reliability of pressure pain threshold and mechanical temporal summation in healthy subjects
title_full Within-session test-retest reliability of pressure pain threshold and mechanical temporal summation in healthy subjects
title_fullStr Within-session test-retest reliability of pressure pain threshold and mechanical temporal summation in healthy subjects
title_full_unstemmed Within-session test-retest reliability of pressure pain threshold and mechanical temporal summation in healthy subjects
title_short Within-session test-retest reliability of pressure pain threshold and mechanical temporal summation in healthy subjects
title_sort within-session test-retest reliability of pressure pain threshold and mechanical temporal summation in healthy subjects
topic Research Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7802960/
https://www.ncbi.nlm.nih.gov/pubmed/33434233
http://dx.doi.org/10.1371/journal.pone.0245278
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