Predicting Abnormal Laboratory Blood Test Results in the Intensive Care Unit Using Novel Features Based on Information Theory and Historical Conditional Probability: Observational Study

Camilo E Valderrama   ^{1, 2, 3} , PhD ;   Daniel J Niven   ⁴ , MD, PhD ;   Henry T Stelfox   ^{3, 4} , MD, PhD ;   Joon Lee   ^{1, 2, 3, 5} , PhD

¹ Data Intelligence for Health Lab, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada

² Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada

³ O’Brien Institute for Public Health, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada

⁴ Department of Critical Care Medicine, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada

⁵ Department of Cardiac Sciences, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada