分析提示葡萄膜黑色素瘤的临床变量,以确定这些变量如何影响人工智能分类器的决策。

IF 3.3 4区 医学 Q1 OPHTHALMOLOGY
Emily Laycock, Ezekiel Weis, Antoine Sylvestre-Bouchard, Rachel Curtis, Esmaeil Shakeri, Emad Mohammed, Behrouz Far, Trafford Crump
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引用次数: 0

摘要

目的:许多人工智能(AI)模型的“黑箱”性质限制了它们在现实世界眼科实践中的应用。我们的实验室开发了一种人工智能模型,用于检测眼底彩色图像中脉络膜黑色素细胞病变(CML)的存在。本文的目的是研究是否有已知的cml临床特征与模型中的假阴性(FN)分类相关,以帮助验证并提高其可解释性。方法:对CML患者进行回顾性队列研究。通过常规临床评估收集194例cml患者(n = 194)和非cml患者(n = 194)的388张眼底图像,用于训练AI模型。提取CML图像的模型分类(病变存在/病变缺失),以及CML特征、人口统计学和葡萄膜黑色素瘤(UM)的危险因素。逻辑回归模型用于检验FN分类与这些特征之间的关联。结果:人工智能模型对CML眼的真阳性分类为150个,FN分类为44个(23%)。较薄的病变更容易被模型遗漏(p = 0.026),导致FN分类。UM影像学危险因素的存在与FN分类没有统计学上的显著关系。结论:本研究结果表明,人工智能模型对CML眼底图像分类的FN分类与UM影像学危险因素的存在无关,但受病变厚度的影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Analyzing clinical variables indicative of uveal melanoma to determine how they affect decisions made by an artificial intelligence classifier.

Objective: The "black box" nature of many artificial intelligence (AI) models has limited their adoption in real-world ophthalmologic practices. Our lab developed an AI model for detecting the presence of a choroidal melanocytic lesion (CML) in colour fundus images. The purpose of this article is to investigate whether there are known clinical features of CMLs that are associated with false-negative (FN) classifications from the model to aid in validation and increase its interpretability.

Methods: A retrospective cohort study of CML patients was performed. A total of 388 fundus images from 194 patients with (n = 194) and without (n = 194) CMLs collected through routine clinical assessment were used to train an AI model. The model's classification (lesion present/lesion absent) of the images with CMLs, as well as CML characteristics, demographics, and risk factors for uveal melanoma (UM) were extracted. Logistic regression models were used to test for associations between the FN classifications and these characteristics.

Results: The AI model returned 150 true-positive classifications and 44 FN classifications (23%) for CML eyes. Thinner lesions were more likely to be missed by the model (p = 0.026), resulting in a FN classification. The presence of imaging risk factors for UM was not shown to have any statistically significant relationships with a FN classification.

Conclusions: The results from this study demonstrate that the FN classifications for CML fundus image classifications from our AI model are not associated with the presence of imaging risk factors for UM but are influenced by thinness of the lesion.

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来源期刊
CiteScore
3.20
自引率
4.80%
发文量
223
审稿时长
38 days
期刊介绍: Official journal of the Canadian Ophthalmological Society. The Canadian Journal of Ophthalmology (CJO) is the official journal of the Canadian Ophthalmological Society and is committed to timely publication of original, peer-reviewed ophthalmology and vision science articles.
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