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COVID-19 has affected more than 223 countries worldwide. There is a pressing need for non invasive, low costs and highly scalable solutions to detect COVID-19, especially in low-resource countries where PCR testing is not ubiquitously…

Sound · Computer Science 2022-09-09 Wafaa Aljbawi , Sami O. Simmons , Visara Urovi

The pandemic of COVID-19 has caused millions of infections, which has led to a great loss all over the world, socially and economically. Due to the false-negative rate and the time-consuming of the conventional Reverse Transcription…

Image and Video Processing · Electrical Eng. & Systems 2021-07-27 Delong Chen , Shunhui Ji , Fan Liu , Zewen Li , Xinyu Zhou

Interpreting deep learning time series models is crucial in understanding the model's behavior and learning patterns from raw data for real-time decision-making. However, the complexity inherent in transformer-based time series models poses…

To test the hypothesis that accuracy, discrimination, and precision in predicting postoperative complications improve when using both preoperative and intraoperative data input features versus preoperative data alone. Models that predict…

Patients with severe Coronavirus disease 19 (COVID-19) typically require supplemental oxygen as an essential treatment. We developed a machine learning algorithm, based on a deep Reinforcement Learning (RL), for continuous management of…

Machine Learning · Computer Science 2021-11-09 Hua Zheng , Jiahao Zhu , Wei Xie , Judy Zhong

Causal inference from electronic health records (EHR) is fundamentally limited by unmeasured confounding: critical clinical states such as frailty, goals of care, and mental status are documented in free-text notes but absent from…

Machine Learning · Computer Science 2026-04-22 Lei Liu , Jialin Chen , Kathy Macropol

The coronavirus disease 2019 (COVID-19) global pandemic has led many countries to impose unprecedented lockdown measures in order to slow down the outbreak. Questions on whether governments have acted promptly enough, and whether lockdown…

Applications · Statistics 2020-06-04 Zhaozhi Qian , Ahmed M. Alaa , Mihaela van der Schaar

Quantifying a patient's health status provides clinicians with insight into patient risk, and the ability to better triage and manage resources. Early Warning Scores (EWS) are widely deployed to measure overall health status, and risk of…

Artificial Intelligence · Computer Science 2024-07-15 Thea Barnes , Enrico Werner , Jeffrey N. Clark , Raul Santos-Rodriguez

Much of the work in metalearning has focused on classifier selection, combined more recently with hyperparameter optimization, with little concern for data preprocessing. Yet, it is generally well accepted that machine learning applications…

Machine Learning · Computer Science 2018-10-24 Brandon Schoenfeld , Christophe Giraud-Carrier , Mason Poggemann , Jarom Christensen , Kevin Seppi

In the fight against the COVID-19 pandemic, leveraging artificial intelligence to predict disease outcomes from chest radiographic images represents a significant scientific aim. The challenge, however, lies in the scarcity of large,…

Image and Video Processing · Electrical Eng. & Systems 2026-02-16 Filippo Ruffini , Lorenzo Tronchin , Zhuoru Wu , Wenting Chen , Paolo Soda , Linlin Shen , Valerio Guarrasi

COVID-19 disease has affected almost every country in the world. The large number of infected people and the different mortality rates between countries has given rise to many hypotheses about the key points that make the virus so lethal in…

To draw real-world evidence about the comparative effectiveness of multiple time-varying treatments on patient survival, we develop a joint marginal structural survival model and a novel weighting strategy to account for time-varying…

Methodology · Statistics 2023-08-08 Liangyuan Hu , Jiayi Ji , Himanshu Joshi , Erick Scott , Fan Li

Leading up to August 2020, COVID-19 has spread to almost every country in the world, causing millions of infected and hundreds of thousands of deaths. In this paper, we first verify the assumption that clinical variables could have…

Machine Learning · Computer Science 2021-01-20 Jiacheng Liu , Meghna Singh , Catherine ST. Hill , Vino Raj , Lisa Kirkland , Jaideep Srivastava

We aim to assess the impact of a pandemic data point on the calibration of a stochastic multi-population mortality projection model and its resulting projections for future mortality rates. Throughout the paper we put focus on the Li & Lee…

Risk Management · Quantitative Finance 2021-11-22 Jens Robben , Katrien Antonio , Sander Devriendt

Survival analysis is central to clinical research, informing patient prognoses, guiding treatment decisions, and optimising resource allocation. Accurate time-to-event predictions not only improve quality of life but also reveal risk…

Current standard protocols used in the clinic for diagnosing COVID-19 include molecular or antigen tests, generally complemented by a plain chest X-Ray. The combined analysis aims to reduce the significant number of false negatives of these…

Image and Video Processing · Electrical Eng. & Systems 2020-12-01 Julian D. Arias-Londoño , Jorge A. Gomez-Garcia , Laureano Moro-Velazquez , Juan I. Godino-Llorente

Mental disorders impact the lives of millions of people globally, not only impeding their day-to-day lives but also markedly reducing life expectancy. This paper addresses the persistent challenge of predicting mortality in patients with…

Machine Learning · Computer Science 2023-10-19 Sean Kim , Samuel Kim

Background: Hypertensive kidney disease (HKD) patients in intensive care units (ICUs) face high short-term mortality, but tailored risk prediction tools are lacking. Early identification of high-risk individuals is crucial for clinical…

Machine Learning · Computer Science 2025-07-28 Yong Si , Junyi Fan , Li Sun , Shuheng Chen , Minoo Ahmadi , Elham Pishgar , Kamiar Alaei , Greg Placencia , Maryam Pishgar

The management of hyperglycemia in hospitalized patients has a significant impact on both morbidity and mortality. Therefore, it is important to predict the need for diabetic patients to be hospitalized. However, using standard machine…

Artificial Intelligence · Computer Science 2022-08-02 Shaina Raza

An accurate and efficient forecasting system is imperative to the prevention of emerging infectious diseases such as COVID-19 in public health. This system requires accurate transient modeling, lower computation cost, and fewer observation…

Machine Learning · Computer Science 2021-01-26 Dongdong Wang , Shunpu Zhang , Liqiang Wang