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• W3138357798 abstract "Abstract Chest X-ray (CXR) is one of the most commonly performed medical imaging tests. Although aging, sex and disease status have been known to cause changes in CXR findings, the extent of these effects has not been fully characterized. Here, we present a deep neural network (DNN) model trained using more than 100,000 CXRs to estimate the patient’s age and sex solely from CXRs. Our DNN exhibited high performance in terms of estimating age and sex, with Pearson’s correlation coefficient between the actual and estimated age of above 0.9 and an area under the ROC curve of 0.98 for sex estimation. The difference between the actual and estimated age is large in CXRs with abnormal findings, suggesting that the estimated age (“CXR age”) can be a biomarker for disease status. Furthermore, by applying our DNN to CXRs of consecutive 1,562 hospitalized heart failure patients, we demonstrated that an elevated CXR age is not only associated with aging-related diseases, such as hypertension and atrial fibrillation, but also a worse outcome of heart failure. Given these results, our new concept “CXR age” serves as a novel biomarker for cardiovascular aging and can help clinicians to predict, prevent, and manage cardiovascular diseases." @default.
• W3138357798 created "2021-03-29" @default.
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• W3138357798 date "2021-03-25" @default.
• W3138357798 modified "2023-10-01" @default.
• W3138357798 title "Deep learning-based chest X-ray age serves as a novel biomarker for cardiovascular aging" @default.
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• W3138357798 doi "https://doi.org/10.1101/2021.03.24.436773" @default.
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