Intra-and inter-observer reliability and repeatability of the metatarsus adductus angle in childhood: A concordance study

Background Metatarsus adductus is a relatively common congenital foot deformity often unrecognized at birth. There is adduction of the metatarsals, supination of the subtalar joint, and plantar flexion of the first ray. Objective The objective of this study was to utilize the most commonly used meth...

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Autores: Pérez Boal, Eduardo, Martin Villa, Carlos, Becerro De Bengoa Vallejo, Ricardo, Losa Iglesias, Marta Elena, Trevissón Redondo, Bibiana, López López, Daniel, Calvo Lobo, César, Rodríguez Sanz, David, Martínez Jiménez, Eva María, Casado Hernández, Israel
Tipo de recurso: artículo
Fecha de publicación:2025
País:España
Institución:Universidad Complutense de Madrid (UCM)
Repositorio:Docta Complutense
Idioma:inglés
OAI Identifier:oai:docta.ucm.es:20.500.14352/124483
Acceso en línea:https://hdl.handle.net/20.500.14352/124483
Access Level:acceso abierto
Palabra clave:616.718.7/.9
Podología
3299 Otras Especialidades Médicas
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spelling Intra-and inter-observer reliability and repeatability of the metatarsus adductus angle in childhood: A concordance studyPérez Boal, EduardoMartin Villa, CarlosBecerro De Bengoa Vallejo, RicardoLosa Iglesias, Marta ElenaTrevissón Redondo, BibianaLópez López, DanielCalvo Lobo, CésarRodríguez Sanz, DavidMartínez Jiménez, Eva MaríaCasado Hernández, Israel616.718.7/.9Podología3299 Otras Especialidades MédicasBackground Metatarsus adductus is a relatively common congenital foot deformity often unrecognized at birth. There is adduction of the metatarsals, supination of the subtalar joint, and plantar flexion of the first ray. Objective The objective of this study was to utilize the most commonly used methods for assessing metatarsus adductus deformity in children and to identify the measurements with the least intra- and inter-observer variability. Materials and methods All consecutive patients between 2 and 9 years of age with metatarsus adductus by roentgenographic evaluation on weight-bearing dorsoplantar images were included in this cross-sectional study. Measurements included 32 radiographs, 18 feet from 14 girls with a mean age of 3.73 ± 2.53 years, and 14 feet corresponding to 11 boys with a mean age of 5.21 ± 2.15 years. We identified and assessed all radiographic measurements to evaluate the metatarsus adductus with the different measurements commonly used today, including the Berg, Kilmartin, Laaveg & Ponseti, rearfoot, Root, and Simons’ angles. Results The reliability of the variables measured in 32 weight-bearing dorsoplantar foot radiographs showed excellent reliability ranging in Laaveg-Ponseti and rearfoot angles with low standard error of measurement (SEM), coefficient of variation (CV), and minimum detectable change (MDC) with intraclass correlation coefficient (ICC) higher than 0.990. Kilmartin, Root, and Simons’ angles showed good intra- and inter-observer reliability, with ICC values greater than 0.900; however, they also exhibited systematic differences between sessions or between observers (P < 0.05), or a high MDC value, which may limit their reproducibility. Conclusion Based on the results obtained in this study from the different measurements performed, the rearfoot measurement and the method proposed by Laaveg and Ponseti can be considered the most reliable, as they showed the highest intra- and inter-observer reliability.SpringerUniversidad Complutense de Madrid20252025-08-2520252025-08-25journal articlehttp://purl.org/coar/resource_type/c_6501VoRhttp://purl.org/coar/version/c_970fb48d4fbd8a85info:eu-repo/semantics/articleapplication/pdfhttps://hdl.handle.net/20.500.14352/124483reponame:Docta Complutenseinstname:Universidad Complutense de Madrid (UCM)Inglésengopen accesshttp://purl.org/coar/access_right/c_abf2Attribution 4.0 Internationalhttp://creativecommons.org/licenses/by/4.0/info:eu-repo/semantics/openAccessoai:docta.ucm.es:20.500.14352/1244832026-06-02T12:44:21Z
dc.title.none.fl_str_mv Intra-and inter-observer reliability and repeatability of the metatarsus adductus angle in childhood: A concordance study
title Intra-and inter-observer reliability and repeatability of the metatarsus adductus angle in childhood: A concordance study
spellingShingle Intra-and inter-observer reliability and repeatability of the metatarsus adductus angle in childhood: A concordance study
Pérez Boal, Eduardo
616.718.7/.9
Podología
3299 Otras Especialidades Médicas
title_short Intra-and inter-observer reliability and repeatability of the metatarsus adductus angle in childhood: A concordance study
title_full Intra-and inter-observer reliability and repeatability of the metatarsus adductus angle in childhood: A concordance study
title_fullStr Intra-and inter-observer reliability and repeatability of the metatarsus adductus angle in childhood: A concordance study
title_full_unstemmed Intra-and inter-observer reliability and repeatability of the metatarsus adductus angle in childhood: A concordance study
title_sort Intra-and inter-observer reliability and repeatability of the metatarsus adductus angle in childhood: A concordance study
dc.creator.none.fl_str_mv Pérez Boal, Eduardo
Martin Villa, Carlos
Becerro De Bengoa Vallejo, Ricardo
Losa Iglesias, Marta Elena
Trevissón Redondo, Bibiana
López López, Daniel
Calvo Lobo, César
Rodríguez Sanz, David
Martínez Jiménez, Eva María
Casado Hernández, Israel
author Pérez Boal, Eduardo
author_facet Pérez Boal, Eduardo
Martin Villa, Carlos
Becerro De Bengoa Vallejo, Ricardo
Losa Iglesias, Marta Elena
Trevissón Redondo, Bibiana
López López, Daniel
Calvo Lobo, César
Rodríguez Sanz, David
Martínez Jiménez, Eva María
Casado Hernández, Israel
author_role author
author2 Martin Villa, Carlos
Becerro De Bengoa Vallejo, Ricardo
Losa Iglesias, Marta Elena
Trevissón Redondo, Bibiana
López López, Daniel
Calvo Lobo, César
Rodríguez Sanz, David
Martínez Jiménez, Eva María
Casado Hernández, Israel
author2_role author
author
author
author
author
author
author
author
author
dc.contributor.none.fl_str_mv Universidad Complutense de Madrid
dc.subject.none.fl_str_mv 616.718.7/.9
Podología
3299 Otras Especialidades Médicas
topic 616.718.7/.9
Podología
3299 Otras Especialidades Médicas
description Background Metatarsus adductus is a relatively common congenital foot deformity often unrecognized at birth. There is adduction of the metatarsals, supination of the subtalar joint, and plantar flexion of the first ray. Objective The objective of this study was to utilize the most commonly used methods for assessing metatarsus adductus deformity in children and to identify the measurements with the least intra- and inter-observer variability. Materials and methods All consecutive patients between 2 and 9 years of age with metatarsus adductus by roentgenographic evaluation on weight-bearing dorsoplantar images were included in this cross-sectional study. Measurements included 32 radiographs, 18 feet from 14 girls with a mean age of 3.73 ± 2.53 years, and 14 feet corresponding to 11 boys with a mean age of 5.21 ± 2.15 years. We identified and assessed all radiographic measurements to evaluate the metatarsus adductus with the different measurements commonly used today, including the Berg, Kilmartin, Laaveg & Ponseti, rearfoot, Root, and Simons’ angles. Results The reliability of the variables measured in 32 weight-bearing dorsoplantar foot radiographs showed excellent reliability ranging in Laaveg-Ponseti and rearfoot angles with low standard error of measurement (SEM), coefficient of variation (CV), and minimum detectable change (MDC) with intraclass correlation coefficient (ICC) higher than 0.990. Kilmartin, Root, and Simons’ angles showed good intra- and inter-observer reliability, with ICC values greater than 0.900; however, they also exhibited systematic differences between sessions or between observers (P < 0.05), or a high MDC value, which may limit their reproducibility. Conclusion Based on the results obtained in this study from the different measurements performed, the rearfoot measurement and the method proposed by Laaveg and Ponseti can be considered the most reliable, as they showed the highest intra- and inter-observer reliability.
publishDate 2025
dc.date.none.fl_str_mv 2025
2025-08-25
2025
2025-08-25
dc.type.none.fl_str_mv journal article
http://purl.org/coar/resource_type/c_6501
VoR
http://purl.org/coar/version/c_970fb48d4fbd8a85
dc.type.openaire.fl_str_mv info:eu-repo/semantics/article
format article
dc.identifier.none.fl_str_mv https://hdl.handle.net/20.500.14352/124483
url https://hdl.handle.net/20.500.14352/124483
dc.language.none.fl_str_mv Inglés
eng
language_invalid_str_mv Inglés
language eng
dc.rights.none.fl_str_mv open access
http://purl.org/coar/access_right/c_abf2
Attribution 4.0 International
http://creativecommons.org/licenses/by/4.0/
dc.rights.openaire.fl_str_mv info:eu-repo/semantics/openAccess
rights_invalid_str_mv open access
http://purl.org/coar/access_right/c_abf2
Attribution 4.0 International
http://creativecommons.org/licenses/by/4.0/
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Springer
publisher.none.fl_str_mv Springer
dc.source.none.fl_str_mv reponame:Docta Complutense
instname:Universidad Complutense de Madrid (UCM)
instname_str Universidad Complutense de Madrid (UCM)
reponame_str Docta Complutense
collection Docta Complutense
repository.name.fl_str_mv
repository.mail.fl_str_mv
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