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Title of the article: Inter-observer concordance in normal and pathological findings of the hip joint in plain radiographs

BACKGROUND AND AIM: The purpose of the study was to compare the data obtained by two independent observers and statistically analyse the results using Cohen’s K to highlight the concordance or discordance in the diagnosis of normality, pathology and, in particular, the type of femoroacetabular impin...

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Autores principales: Atria, Maria Giovanna, Calvi, Marco, Zorzetto, Giada, Curti, Marco, Duvia, Marta, Celentano, Angelica, Venturini, Massimo, Genovese, Eugenio Annibale
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Mattioli 1885 2021
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8477112/
https://www.ncbi.nlm.nih.gov/pubmed/34487077
http://dx.doi.org/10.23750/abm.v92i4.11433
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author Atria, Maria Giovanna
Calvi, Marco
Zorzetto, Giada
Curti, Marco
Duvia, Marta
Celentano, Angelica
Venturini, Massimo
Genovese, Eugenio Annibale
author_facet Atria, Maria Giovanna
Calvi, Marco
Zorzetto, Giada
Curti, Marco
Duvia, Marta
Celentano, Angelica
Venturini, Massimo
Genovese, Eugenio Annibale
author_sort Atria, Maria Giovanna
collection PubMed
description BACKGROUND AND AIM: The purpose of the study was to compare the data obtained by two independent observers and statistically analyse the results using Cohen’s K to highlight the concordance or discordance in the diagnosis of normality, pathology and, in particular, the type of femoroacetabular impingement (FAI) on plain films. METHODS: the study was conducted retrospectively. The only inclusion criterium was the minimum age of 20 years. All patients underwent a radiographic examination of the pelvis in standard anteroposterior projection in orthostasis. RESULTS: A hundred patients were evaluated. A good concordance between the two operators in the examination of normal hip joint (k= 0.68 right/ 0,74 left) was found; a similar grade of agreement was found for the analysis of “pincer” type FAI (k = 0.73 right, 0,67 left). The best results in concordance were achieved in the examination of “cam” type FAI (k= 0.82 right, 0,88 left), “mixed” type FAI (k = 0.85 right, 0,86 left), and in findings of “coxa profunda” (k = 0.92 right, 0,88 left). CONCLUSION: We found a good concordance between the two readers; a few cases of disagreement were found in the diagnosis of “pincer” type FAI and absence of disease. This discrepancy may be due to the different weight given by the single observer to the clinical indication that leads the patient to examination, but also by the difficulty of a not dedicated radiologist to show some subtle signs indicative of early FAI.
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spelling pubmed-84771122021-10-08 Title of the article: Inter-observer concordance in normal and pathological findings of the hip joint in plain radiographs Atria, Maria Giovanna Calvi, Marco Zorzetto, Giada Curti, Marco Duvia, Marta Celentano, Angelica Venturini, Massimo Genovese, Eugenio Annibale Acta Biomed Original Article BACKGROUND AND AIM: The purpose of the study was to compare the data obtained by two independent observers and statistically analyse the results using Cohen’s K to highlight the concordance or discordance in the diagnosis of normality, pathology and, in particular, the type of femoroacetabular impingement (FAI) on plain films. METHODS: the study was conducted retrospectively. The only inclusion criterium was the minimum age of 20 years. All patients underwent a radiographic examination of the pelvis in standard anteroposterior projection in orthostasis. RESULTS: A hundred patients were evaluated. A good concordance between the two operators in the examination of normal hip joint (k= 0.68 right/ 0,74 left) was found; a similar grade of agreement was found for the analysis of “pincer” type FAI (k = 0.73 right, 0,67 left). The best results in concordance were achieved in the examination of “cam” type FAI (k= 0.82 right, 0,88 left), “mixed” type FAI (k = 0.85 right, 0,86 left), and in findings of “coxa profunda” (k = 0.92 right, 0,88 left). CONCLUSION: We found a good concordance between the two readers; a few cases of disagreement were found in the diagnosis of “pincer” type FAI and absence of disease. This discrepancy may be due to the different weight given by the single observer to the clinical indication that leads the patient to examination, but also by the difficulty of a not dedicated radiologist to show some subtle signs indicative of early FAI. Mattioli 1885 2021 2021-09-02 /pmc/articles/PMC8477112/ /pubmed/34487077 http://dx.doi.org/10.23750/abm.v92i4.11433 Text en Copyright: © 2021 ACTA BIO MEDICA SOCIETY OF MEDICINE AND NATURAL SCIENCES OF PARMA https://creativecommons.org/licenses/by-nc-sa/4.0/This work is licensed under a Creative Commons Attribution 4.0 International License
spellingShingle Original Article
Atria, Maria Giovanna
Calvi, Marco
Zorzetto, Giada
Curti, Marco
Duvia, Marta
Celentano, Angelica
Venturini, Massimo
Genovese, Eugenio Annibale
Title of the article: Inter-observer concordance in normal and pathological findings of the hip joint in plain radiographs
title Title of the article: Inter-observer concordance in normal and pathological findings of the hip joint in plain radiographs
title_full Title of the article: Inter-observer concordance in normal and pathological findings of the hip joint in plain radiographs
title_fullStr Title of the article: Inter-observer concordance in normal and pathological findings of the hip joint in plain radiographs
title_full_unstemmed Title of the article: Inter-observer concordance in normal and pathological findings of the hip joint in plain radiographs
title_short Title of the article: Inter-observer concordance in normal and pathological findings of the hip joint in plain radiographs
title_sort title of the article: inter-observer concordance in normal and pathological findings of the hip joint in plain radiographs
topic Original Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8477112/
https://www.ncbi.nlm.nih.gov/pubmed/34487077
http://dx.doi.org/10.23750/abm.v92i4.11433
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