REPRODUCIBILITY OF S2-ALAR ILIAC SCREW MORPHOMETRIC ANALYSIS
ABSTRACT Objective: To evaluate the reproducibility of a S2-alar iliac (S2AI) screw parameters measurement method by inter and intraobserver reliability. Methods: Cross-sectional study, considering computed tomography exams. Morphometric analysis was performed by multiplanar reconstructions. Scr...
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Sociedade Brasileira de Ortopedia e Traumatologia
2021-05-01
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Series: | Acta Ortopédica Brasileira |
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Online Access: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-78522021000200097&tlng=en |
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author | MARIANA DEMÉTRIO DE SOUSA PONTES LUCAS AMÉRICO FRANCISCO LUCAS KLAROSK ISMAEL CARLOS FERNANDO PEREIRA DA SILVA HERRERO |
author_facet | MARIANA DEMÉTRIO DE SOUSA PONTES LUCAS AMÉRICO FRANCISCO LUCAS KLAROSK ISMAEL CARLOS FERNANDO PEREIRA DA SILVA HERRERO |
author_sort | MARIANA DEMÉTRIO DE SOUSA PONTES |
collection | DOAJ |
description | ABSTRACT Objective: To evaluate the reproducibility of a S2-alar iliac (S2AI) screw parameters measurement method by inter and intraobserver reliability. Methods: Cross-sectional study, considering computed tomography exams. Morphometric analysis was performed by multiplanar reconstructions. Screw length, diameter and trajectory angles were the studied variables. To analyze the measurements reproducibility, intraclass correlation coefficient (ICC) was used. Results: Interobserver reliability was classified as strong for screw shortest length (ICC: 0.742) and diameter (ICC: 0.699). Interobserver reliability was classified as moderate for screw longest length (ICC: 0.553) and for screw trajectory angles in the axial plane for the longest (ICC: 0.478) and for the shortest lengths (ICC: 0.591). Intraobserver reliability was interpreted as excellent for screw shortest (ICC: 0.932) and longest lengths (ICC: 0.962) and diameter (ICC: 0.770) and screw trajectory angles in the axial plane for the screw longest (ICC: 0.773) and shortest lengths (ICC: 0.862). There were weak interobserver and strong intraobserver reliabilities for trajectory angle in sagittal plane, but no statistical significance was found. Conclusion: Inter and intraobserver reliability of S2AI screw morphometric parameters were interpreted from moderate to excellent in almost all studied variables, except for the screw trajectory angle in the sagittal plane measurement. Level of Evidence IV, Diagnostic Studies - Investigating a Diagnostic Test. |
first_indexed | 2024-12-17T23:10:41Z |
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id | doaj.art-c43531e8c6ef4efc8d493bcee65c1536 |
institution | Directory Open Access Journal |
issn | 1413-7852 |
language | English |
last_indexed | 2024-12-17T23:10:41Z |
publishDate | 2021-05-01 |
publisher | Sociedade Brasileira de Ortopedia e Traumatologia |
record_format | Article |
series | Acta Ortopédica Brasileira |
spelling | doaj.art-c43531e8c6ef4efc8d493bcee65c15362022-12-21T21:29:09ZengSociedade Brasileira de Ortopedia e TraumatologiaActa Ortopédica Brasileira1413-78522021-05-012929710010.1590/1413-785220212902236763REPRODUCIBILITY OF S2-ALAR ILIAC SCREW MORPHOMETRIC ANALYSISMARIANA DEMÉTRIO DE SOUSA PONTEShttps://orcid.org/0000-0001-5962-1467LUCAS AMÉRICO FRANCISCOhttps://orcid.org/0000-0002-0310-5436LUCAS KLAROSK ISMAELhttps://orcid.org/0000-0002-4185-1931CARLOS FERNANDO PEREIRA DA SILVA HERREROhttps://orcid.org/0000-0002-3387-4797ABSTRACT Objective: To evaluate the reproducibility of a S2-alar iliac (S2AI) screw parameters measurement method by inter and intraobserver reliability. Methods: Cross-sectional study, considering computed tomography exams. Morphometric analysis was performed by multiplanar reconstructions. Screw length, diameter and trajectory angles were the studied variables. To analyze the measurements reproducibility, intraclass correlation coefficient (ICC) was used. Results: Interobserver reliability was classified as strong for screw shortest length (ICC: 0.742) and diameter (ICC: 0.699). Interobserver reliability was classified as moderate for screw longest length (ICC: 0.553) and for screw trajectory angles in the axial plane for the longest (ICC: 0.478) and for the shortest lengths (ICC: 0.591). Intraobserver reliability was interpreted as excellent for screw shortest (ICC: 0.932) and longest lengths (ICC: 0.962) and diameter (ICC: 0.770) and screw trajectory angles in the axial plane for the screw longest (ICC: 0.773) and shortest lengths (ICC: 0.862). There were weak interobserver and strong intraobserver reliabilities for trajectory angle in sagittal plane, but no statistical significance was found. Conclusion: Inter and intraobserver reliability of S2AI screw morphometric parameters were interpreted from moderate to excellent in almost all studied variables, except for the screw trajectory angle in the sagittal plane measurement. Level of Evidence IV, Diagnostic Studies - Investigating a Diagnostic Test.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-78522021000200097&tlng=enSpineSacroiliac JointSacrumTomographyReproducibility of Results |
spellingShingle | MARIANA DEMÉTRIO DE SOUSA PONTES LUCAS AMÉRICO FRANCISCO LUCAS KLAROSK ISMAEL CARLOS FERNANDO PEREIRA DA SILVA HERRERO REPRODUCIBILITY OF S2-ALAR ILIAC SCREW MORPHOMETRIC ANALYSIS Acta Ortopédica Brasileira Spine Sacroiliac Joint Sacrum Tomography Reproducibility of Results |
title | REPRODUCIBILITY OF S2-ALAR ILIAC SCREW MORPHOMETRIC ANALYSIS |
title_full | REPRODUCIBILITY OF S2-ALAR ILIAC SCREW MORPHOMETRIC ANALYSIS |
title_fullStr | REPRODUCIBILITY OF S2-ALAR ILIAC SCREW MORPHOMETRIC ANALYSIS |
title_full_unstemmed | REPRODUCIBILITY OF S2-ALAR ILIAC SCREW MORPHOMETRIC ANALYSIS |
title_short | REPRODUCIBILITY OF S2-ALAR ILIAC SCREW MORPHOMETRIC ANALYSIS |
title_sort | reproducibility of s2 alar iliac screw morphometric analysis |
topic | Spine Sacroiliac Joint Sacrum Tomography Reproducibility of Results |
url | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-78522021000200097&tlng=en |
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