Learning using privileged information with logistic regression on acute respiratory distress syndrome detection.

Artif Intell Med

Department of Computational Medicine and Bioinformatics, University of Michigan, Ann Arbor, 48109, MI, USA; Michigan Institute for Data Science (MIDAS), University of Michigan, Ann Arbor, 48109, MI, USA; Department of Emergency Medicine, University of Michigan, Ann Arbor, 48109, MI, USA; Max Harry Weil Institute for Critical Care Research and Innovation, University of Michigan, Ann Arbor, 48109, MI, USA; Queens College, City University of New York, New York, 11367, NY, USA. Electronic address:

Published: October 2024

The advanced learning paradigm, learning using privileged information (LUPI), leverages information in training that is not present at the time of prediction. In this study, we developed privileged logistic regression (PLR) models under the LUPI paradigm to detect acute respiratory distress syndrome (ARDS), with mechanical ventilation variables or chest x-ray image features employed in the privileged domain and electronic health records in the base domain. In model training, the objective of privileged logistic regression was designed to incorporate data from the privileged domain and encourage knowledge transfer across the privileged and base domains. An asymptotic analysis was also performed, yielding sufficient conditions under which the addition of privileged information increases the rate of convergence in the proposed model. Results for ARDS detection show that PLR models achieve better classification performances than logistic regression models trained solely on the base domain, even when privileged information is partially available. Furthermore, PLR models demonstrate performance on par with or superior to state-of-the-art models under the LUPI paradigm. As the proposed models are effective, easy to interpret, and highly explainable, they are ideal for other clinical applications where privileged information is at least partially available.

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Source
http://dx.doi.org/10.1016/j.artmed.2024.102947DOI Listing

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