Search Results - "Malarkodi Jebathilagam Samayamuthu"
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Distinguishing Admissions Specifically for COVID-19 From Incidental SARS-CoV-2 Admissions: National Retrospective Electronic Health Record Study
Published in Journal of medical Internet research (18-05-2022)“…Admissions are generally classified as COVID-19 hospitalizations if the patient has a positive SARS-CoV-2 polymerase chain reaction (PCR) test. However,…”
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SurvMaximin: Robust federated approach to transporting survival risk prediction models
Published in Journal of biomedical informatics (01-10-2022)“…[Display omitted] •Estimate risk prediction models with multi-center heterogeneous Real-World Survival Data.•Federated learning of survival risk prediction…”
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Informative missingness: What can we learn from patterns in missing laboratory data in the electronic health record?
Published in Journal of biomedical informatics (01-03-2023)“…[Display omitted] In electronic health records, patterns of missing laboratory test results could capture patients’ course of disease as well as reflect…”
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Characterization of Post-COVID-19 Definitions and Clinical Coding Practices: Longitudinal Study
Published in Online journal of public health informatics (03-05-2024)“…Post-COVID-19 condition (colloquially known as "long COVID-19") characterized as postacute sequelae of SARS-CoV-2 has no universal clinical case definition…”
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A retrospective cohort analysis leveraging augmented intelligence to characterize long COVID in the electronic health record: A precision medicine framework
Published in PLOS digital health (01-07-2023)“…Physical and psychological symptoms lasting months following an acute COVID-19 infection are now recognized as post-acute sequelae of COVID-19 (PASC). Accurate…”
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Potential pitfalls in the use of real world data to study Long COVID
Published in Nature medicine (01-05-2023)Get full text
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Potential pitfalls in the use of real-world data for studying long COVID
Published in Nature Medicine (01-05-2023)Get full text
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International Changes in COVID-19 Clinical Trajectories Across 315 Hospitals and 6 Countries: Retrospective Cohort Study
Published in Journal of medical Internet research (11-10-2021)“…Many countries have experienced 2 predominant waves of COVID-19-related hospitalizations. Comparing the clinical trajectories of patients hospitalized in…”
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Long-term kidney function recovery and mortality after COVID-19-associated acute kidney injury: an international multi-centre observational cohort study
Published in EClinicalMedicine (01-01-2023)“…While acute kidney injury (AKI) is a common complication in COVID-19, data on post-AKI kidney function recovery and the clinical factors associated with poor…”
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SurvMaximin: Robust federated approach to transporting survival risk prediction models
Published in Journal of biomedical informatics (01-10-2022)“…ObjectiveFor multi-center heterogeneous Real-World Data (RWD) with time-to-event outcomes and high-dimensional features, we propose the SurvMaximin algorithm…”
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Authorship Correction: International Changes in COVID-19 Clinical Trajectories Across 315 Hospitals and 6 Countries: Retrospective Cohort Study
Published in Journal of medical Internet research (30-11-2021)“…[This corrects the article DOI: 10.2196/31400.]…”
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Changes in laboratory value improvement and mortality rates over the course of the pandemic: an international retrospective cohort study of hospitalised patients infected with SARS-CoV-2
Published in BMJ open (23-06-2022)“…ObjectiveTo assess changes in international mortality rates and laboratory recovery rates during hospitalisation for patients hospitalised with SARS-CoV-2…”
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Clinical phenotypes and outcomes in children with multisystem inflammatory syndrome across SARS-CoV-2 variant eras: a multinational study from the 4CE consortium
Published in EClinicalMedicine (01-10-2023)“…Multisystem inflammatory syndrome in children (MIS-C) is a severe complication of SARS-CoV-2 infection. It remains unclear how MIS-C phenotypes vary across…”
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International electronic health record-derived post-acute sequelae profiles of COVID-19 patients
Published in NPJ digital medicine (29-06-2022)“…The risk profiles of post-acute sequelae of COVID-19 (PASC) have not been well characterized in multi-national settings with appropriate controls. We leveraged…”
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Characterization of long COVID temporal sub-phenotypes by distributed representation learning from electronic health record data: a cohort study
Published in EClinicalMedicine (01-10-2023)“…Characterizing Post-Acute Sequelae of COVID (SARS-CoV-2 Infection), or PASC has been challenging due to the multitude of sub-phenotypes, temporal attributes,…”
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Neurological diagnoses in hospitalized COVID-19 patients associated with adverse outcomes: A multinational cohort study
Published in PLOS digital health (01-04-2024)Get full text
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Neurological diagnoses in hospitalized COVID-19 patients associated with adverse outcomes: A multinational cohort study
Published in PLOS digital health (01-04-2024)“…Few studies examining the patient outcomes of concurrent neurological manifestations during acute COVID-19 leveraged multinational cohorts of adults and…”
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Characterization of long COVID temporal sub-phenotypes by distributed representation learning from electronic health record data: a cohort studyResearch in Context
Published in EClinicalMedicine (01-10-2023)“…Background: Characterizing Post-Acute Sequelae of COVID (SARS-CoV-2 Infection), or PASC has been challenging due to the multitude of sub-phenotypes, temporal…”
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Long-term kidney function recovery and mortality after COVID-19-associated acute kidney injury: An international multi-centre observational cohort studyResearch in context
Published in EClinicalMedicine (01-01-2023)“…Background: While acute kidney injury (AKI) is a common complication in COVID-19, data on post-AKI kidney function recovery and the clinical factors associated…”
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