Interobserver variation in the Parkland scale. Are we seeing the same thing?

Cirugia y cirujanos Pub Date : 2024-01-01 DOI:10.24875/CIRU.23000362

José L Maldonado-Calderón, Lydia E Nava-Rivera, Antonio Urbina-Zeglen, Marco V Herrera-Santos, Pilar Carranza-Rosales, Javier Morán-Martínez, Nadia D Betancourt-Martínez

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Abstract

Objective: The aim of this study was to analyze the reliability of agreement between surgeons when using the Parkland Grading Scale for Acute Cholecystitis (PGS-AC).

Methods: A total of 43 images taken out of videos of laparoscopic cholecystectomies (LCs) were collected, they were used to frame an online questionnaire that was sent to 18 surgeons and resident doctors who classified the images according to the Parkland scale criteria, followed by the evaluation of concordance between observers applying the Fleiss κ test.

Results: A global Fleiss' κ value of 0.213 was obtained, which corresponds to a low interobserver concordance. Factors such as being a surgical resident, having more than 10 years of experience performing this type of procedure, or performing more than 2 LCs per week, were related to greater concordance in diagnosis.

Conclusions: The low concordance found when using the Parkland grading scale, translates into a high interobserver variation related to multiple variables, which is why, we are not seeing the same.

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帕克兰量表的观察者间差异。我们看到的是同样的东西吗？

目的本研究旨在分析外科医生在使用帕克兰急性胆囊炎分级量表（PGS-AC）时达成一致的可靠性：收集了腹腔镜胆囊切除术（LC）视频中的 43 幅图像，并将其用于制作在线问卷，问卷发送给 18 名外科医生和住院医生，由他们根据帕克兰分级标准对图像进行分类，然后使用 Fleiss κ 检验对观察者之间的一致性进行评估：结果：总体弗莱斯κ值为0.213，观察者之间的一致性较低。作为外科住院医师、有 10 年以上此类手术经验或每周进行 2 次以上 LC 等因素与诊断的一致性较高有关：结论：使用帕克兰分级表时发现的低一致性转化为与多种变量相关的高观察者间差异，这就是为什么我们看到的结果并不相同。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Cirugia y cirujanos

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