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Prediction of disease severity in COPD: a deep learning approach for anomaly-based quantitative assessment of chest CT by Silvia D. Almeida; Tobias Norajitra; Carsten T. Lüth; Tassilo Wald; Vivienn Weru; Marco Nolden; Paul F. Jäger; Oyunbileg von Stackelberg; Claus Peter Heußel; Oliver Weinheimer; Jürgen Biederer; Hans-Ulrich Kauczor; Klaus Maier-Hein is a Medicine article available to read on EtoBox.

What is Prediction of disease severity in COPD: a deep learning approach for anomaly-based quantitative assessment of chest CT about?

## Abstract ## Objectives To quantify regional manifestations related to COPD as anomalies from a modeled distribution of normal-appearing lung on chest CT using a deep learning (DL) approach, and to assess its potential to predict disease severity. ## Materials and methods Paired inspiratory/expiratory CT and clinical data from COPDGene and COSYCONET cohort studies were included. COPDGene data served as training/validation/test data sets (__N__ = 3144/786/1310) and COSYCONET as external test set (__N__ = 446). To differentiate low-risk (healthy/minimal disease, [GOLD 0]) from COPD patients (GOLD 1–4), the self-supervised DL model learned semantic information from 50 × 50 × 50 voxel samples from segmented intact lungs. An anomaly detection approach was trained to quantify lung abnormalities related to COPD, as regional deviations. Four supervised DL models were run for comparison. The clinical and radiological predictive power of the proposed anomaly score was assessed using linear mixed effects models (LMM). ## Results The proposed approach achieved an area under the curve of 84.3 ± 0.3 (__p__ < 0.001) for COPDGene and 76.3 ± 0.6 (__p__ < 0.001) for COSYCONET, outperforming superv

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Author

Silvia D. Almeida; Tobias Norajitra; Carsten T. Lüth; Tassilo Wald; Vivienn Weru; Marco Nolden; Paul F. Jäger; Oyunbileg von Stackelberg; Claus Peter Heußel; Oliver Weinheimer; Jürgen Biederer; Hans-Ulrich Kauczor; Klaus Maier-Hein

Publisher

Springer Science and Business Media LLC

Published

2023

Language

EN

Field

Medicine (Health Sciences)