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. 2015 May 28;50(3):266-9.
doi: 10.1016/j.rboe.2015.05.001. eCollection 2015 May-Jun.

Reproducibility of the AO/ASIF and Gartland classifications for supracondylar fractures of the humerus in children

Igor Tadeu Silveira Rocha  1 , André de Siqueira Faria  1 , Carlos Fontoura Filho  1 , Murilo Antônio Rocha  1
Affiliations

Reproducibility of the AO/ASIF and Gartland classifications for supracondylar fractures of the humerus in children

Igor Tadeu Silveira Rocha et al. Rev Bras Ortop. .

Abstract
in English, Portuguese

Objective: To evaluate the reproducibility of the radiographic classifications of Gartland and the Association for Osteosynthesis/Association for the Study of Internal Fixation (AO/ASIF) for supracondylar fractures of the humerus in children.

Methods: On two occasions, 50 radiographs in anteroposterior and lateral views were evaluated by three pediatric orthopedists in accordance with the Gartland and AO/ASIF pediatric classifications. Their responses were subjected to statistical analysis consisting of calculation of the κ coefficient to assess the intra- and interobserver concordance, in both classifications.

Results: The strength of the intraobserver concordance was high or near perfect for the three examiners in the two classification systems. The strength of the interobserver concordance was high in the two systems, with κ coefficients of 0.756 for the Gartland classification and 0.766 for the AO/ASIF classification.

Conclusion: The Gartland and AO/ASIF classification systems showed similar reproducibility and performance. High strength of concordance was seen in the intra- and interobserver analyses.

Objetivo: Avaliar a reprodutibilidade das classificações radiográficas de Gartland e Association for Osteosynthesis/Association for the Study of Internal Fixation (AO/ASIF) para fraturas supracondilianas de úmero em crianças.

Métodos: Em duas ocasiões foram avaliadas por três cirurgiões ortopedistas pediátricos 50 radiografias nas incidências anteroposteriores e perfil de acordo com as classificações de Gartland e AO/ASIF pediátrica. As respostas foram submetidas à análise estatística pelo cálculo do coeficiente κ para avaliar a concordância intra- e interobservador, em ambas as classificações.

Resultados: A força de concordância intraobservador foi grande ou quase perfeita para os três examinadores nos dois sistemas de classificação. A força de concordância interobservador foi grande nos dois sistemas, com coeficiente κ de 0,756 para classificação de Gartland e de 0,766 para classificação AO/ASIF.

Conclusão: Os sistemas de classificação de Gartland e AO/ASIF mostraram reprodutibilidade e desempenho similar. Observou-se grande força de concordância nas análises intra- e interobservador.

Keywords: Children; Fractures of the humerus/classification; Observer-dependent variations; Reproducibility of results.

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