Alistair EW Johnson

Latest

• Deidentification of free-text medical records using pre-trained bidirectional transformers
• Prediction on critically ill patients: The role of "big data"
• Rule-based rough-refined two-step-procedure for real-time premature beat detection in single-lead ECG
• Complex inter-relationship of body mass index, gender and serum creatinine on survival: exploring the obesity paradox in melanoma patients treated with checkpoint inhibition
• Impact of intensive care unit discharge delays on patient outcomes: a retrospective cohort study
• MIMIC-CXR, a de-identified publicly available database of chest radiographs with free-text reports
• Normalization of mechanical power to anthropometric indices: impact on its association with mortality in critically ill patients
• Predicting vital sign deterioration with artificial intelligence or machine learning
• SEVERITAS: An externally validated mortality prediction for critically ill patients in low and middle-income countries
• Multimodal heart beat detection using signal quality indices
• A new severity of illness scale using a subset of acute physiology and chronic health evaluation data elements shows comparable predictive accuracy
• A support vector machine approach for reliable detection of atrial fibrillation events
• Bayesian voting of multiple annotators for improved QT interval estimation
• Improved respiration rate estimation using a Kalman filter and wavelet cross-coherence
• Risk-adjustment of patient subpopulations in the intensive care unit using oasis, a novel severity score