ArticleBMC infectious diseases2026
Machine learning for identifying risk factors of nosocomial infection in cancer patients with immune checkpoint inhibitor-related pneumonia.
Article in BMC infectious diseases, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundThis retrospective study used machine learning to find the risk factors of nosocomial infection in cancer patients with immune checkpoint inhibitor-related pneumonia.
methodsWe analyzed data of 120 patients with immune-related pneumonia from a specialized cancer hospital collected between January 2020 and December 2023. Linear logistic regression and nonlinear support vector machine (SVM) models were used to evaluate the predictive factors for nosocomial infection risk among the patients.
resultsWe found a nosocomial infection rate of 45.83%, predominantly lower respiratory tract infections, among cancer patients with immune-related pneumonia. Severity and mortality rates for the immune-related pneumonia with nosocomial infection group were significantly higher than those for the non-infected group. Logistic regression analysis showed that immune-related pneumonia was significantly associated with the diagnosis time and with C-reactive protein levels. Nonlinear SVM model SHapley Additive exPlanation graph analysis revealed that diagnosis time, tumor radiotherapy, pulmonary dysfunction, and age were risk factors for nosocomial infections in immune-related pneumonia.
conclusionsOur results highlight the potential of using machine learning to predict the infection risk of immune-related pneumonia. Future multicenter prospective studies are needed to optimize and improve the models and methods used in this study.
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