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The rapidly increasing availability of electronic health records (EHRs) from multiple heterogeneous sources has spearheaded the adoption of data-driven approaches for improved clinical research, decision making, prognosis, and patient management. Unfortunately, EHR data do not always directly and reliably map to phenotypes, or medical concepts, that(More)
Cytokinesis requires the wholesale reorganization of the cytoskeleton and secretion to complete the division of one cell into two. In the budding yeast Saccharomyces cerevisiae, the IQGAP-related protein Iqg1 (Cyk1) promotes cytokinetic actin ring formation and is required for cytokinesis and viability [1-3]. As the actin ring is not essential for(More)
The rapidly increasing availability of electronic health records (EHRs) from multiple heterogeneous sources has spearheaded the adoption of data-driven approaches for improved clinical research, decision making, prognosis, and patient management. Unfortunately, EHR data do not always directly and reliably map to medical concepts that clinical researchers(More)
Sepsis and septic shock are potentially fatal complications that frequently occur in intensive care unit patients. The ability to predict which patients are at risk for sepsis and septic shock is therefore crucial to limiting the effects of these complications. Potential indications for sepsis risk are scattered in a wide range of clinical measurements,(More)
Sepsis and septic shock are common and potentially fatal conditions that often occur in intensive care unit (ICU) patients. Early prediction of patients at risk for septic shock is therefore crucial to minimizing the effects of these complications. Potential indications for septic shock risk span a wide range of measurements, including physiological data(More)
Multiple sclerosis (MS) is a chronic autoimmune disease that affects the central nervous system. The progression and severity of MS varies by individual, but it is generally a disabling disease. Although medications have been developed to slow the disease progression and help manage symptoms, MS research has yet to result in a cure. Early diagnosis and(More)
In many healthcare settings, intuitive decision rules for risk stratification can help effective hospital resource allocation. This paper introduces a novel variant of decision tree algorithms that produces a chain of decisions, not a general tree. Our algorithm, α-Carving Decision Chain (ACDC), sequentially carves out " pure " subsets of the majority class(More)
In the realm of data driven clinical research, medical concepts, or phenotypes, are used to serve as indicators for patient clusters of interest. Often, studies will use groups of algorithmically generated phenotypes (feature groups) to predict the occurrence of heart disease, diabetes, and other conditions. When these groups are algorithmically generated,(More)