DEVELOPMENT OF FEDERATED LYMPHOMA CLASSIFICATION MODELS ACROSS MULTIPLE HARMONIZED COHORTS OF PATIENTS WITH PRIMARY SJÖGREN’S SYNDROME

T. Exarchos
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Abstract

Primary Sjögren’s Syndrome (pSS) is a chronic autoimmune disease followed by exocrine gland dysfunction, where it has been long stated that 5% of pSS patients are prone to lymphoma development. In this work, we present a federated AI (artificial intelligence) strategy which enables the federated training and validation of AI algorithms for lymphoma classification across 21 European cohorts with pSS patients. Advanced AI algorithms were developed, including federated gradient boosting trees with and without dropouts, federated Multilayer Perceptron and federated Multinomial Naïve Bayes. Two large-scale case studies were conducted to demonstrate the applicability and robustness of the federated AI models, where emphasis is given on class imbalance handling and explainability analysis. The federated gradient boosting trees with dropouts achieved the best classification performance yielding more than 0.8 sensitivity and specificity along with 5 biomarkers as prominent for lymphoma development and progression.
在原发性sjÖgren综合征患者的多个协调队列中建立联合淋巴瘤分类模型
原发性Sjögren综合征(pSS)是一种慢性自身免疫性疾病,伴有外分泌腺功能障碍,长期以来一直认为,5%的pSS患者容易发生淋巴瘤发展。在这项工作中,我们提出了一种联合AI(人工智能)策略,该策略能够在21个欧洲pSS患者队列中对淋巴瘤分类的AI算法进行联合训练和验证。开发了先进的人工智能算法,包括带和不带辍学的联邦梯度增强树,联邦多层感知器和联邦多项式Naïve贝叶斯。为了证明联合人工智能模型的适用性和鲁棒性,进行了两个大规模的案例研究,重点是类不平衡处理和可解释性分析。具有dropouts的联合梯度增强树获得了最佳的分类性能,具有超过0.8的敏感性和特异性,以及5种生物标志物作为淋巴瘤发生和进展的突出标记。
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