Articles with "variability" as a keyword



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Factors Associated With Variability in the Performance of a Proprietary Sepsis Prediction Model Across 9 Networked Hospitals in the US.

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Published in 2023 at "JAMA internal medicine"

DOI: 10.1001/jamainternmed.2022.7182

Abstract: This cohort study uses data from electronic health records to assess variability in a sepsis prediction model across 9 hospitals. read more here.

Keywords: prediction model; variability; model across; sepsis prediction ... See more keywords
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Variability in Ejection Fraction Measured By Echocardiography, Gated Single-Photon Emission Computed Tomography, and Cardiac Magnetic Resonance in Patients With Coronary Artery Disease and Left Ventricular Dysfunction

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Published in 2018 at "JAMA Network Open"

DOI: 10.1001/jamanetworkopen.2018.1456

Abstract: Key Points Question What is the variability in left ventricular ejection fraction (LVEF) as measured by different cardiac imaging modalities? Findings In this multicenter diagnostic study of 2032 patients with coronary artery disease and LVEF… read more here.

Keywords: patients coronary; ejection fraction; magnetic resonance; variability ... See more keywords
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Body Weight Variability and Risk of Cardiovascular Outcomes and Death in the Context of Weight Loss Intervention Among Patients With Type 2 Diabetes

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Published in 2022 at "JAMA Network Open"

DOI: 10.1001/jamanetworkopen.2022.0055

Abstract: Key Points Question How does an intensive lifestyle intervention affect the association between variability in adiposity indices and cardiovascular outcomes and deaths among adults with type 2 diabetes? Findings In this cohort study of 3604… read more here.

Keywords: variability; type diabetes; intervention; weight loss ... See more keywords
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Institutional Variability in Representation of Women and Racial and Ethnic Minority Groups Among Medical School Faculty

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Published in 2022 at "JAMA Network Open"

DOI: 10.1001/jamanetworkopen.2022.47640

Abstract: Key Points Question Compared with county demographic data, has representation among women and underrepresented racial and ethnic minority groups in medicine (URM) within medical school faculty changed over time, and does it vary across institutions?… read more here.

Keywords: faculty; ethnic minority; variability; racial ethnic ... See more keywords
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Composition and variability of the Denmark Strait Overflow Water in a high-resolution numerical model hindcast simulation

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Published in 2017 at "Journal of Geophysical Research"

DOI: 10.1002/2016jc012158

Abstract: The upstream sources and pathways of the Denmark Strait Overflow Water and their variability have been investigated using a high-resolution model hindcast. This global simulation covers the period from 1948 to 2009 and uses a… read more here.

Keywords: water; variability; strait overflow; denmark strait ... See more keywords
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Deep temperature variability in Drake Passage

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Published in 2017 at "Journal of Geophysical Research"

DOI: 10.1002/2016jc012452

Abstract: Observations made on 21 occupations between 1993 and 2016 of GO-SHIP line SR1b in eastern Drake Passage show an average temperature of 0.53°C deeper than 2000 dbar, with no significant trend, but substantial year-to-year variability… read more here.

Keywords: temperature; drake passage; year; variability ... See more keywords
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Spatial heterogeneity of within‐stream methane concentrations

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Published in 2017 at "Journal of Geophysical Research"

DOI: 10.1002/2016jg003698

Abstract: Streams, rivers, and other freshwater features may be significant sources of CH4 to the atmosphere. However, high spatial and temporal variabilities hinder our ability to understand the underlying processes of CH4 production and delivery to… read more here.

Keywords: ch4 production; high spatial; stream; ch4 ... See more keywords
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Winter-time variability of the eastern Arabian Sea: A comparison between 2003 and 2013

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Published in 2017 at "Geophysical Research Letters"

DOI: 10.1002/2017gl072965

Abstract: The Eastern Arabian Sea (EAS) is a region of complex interplay between several spatially and temporally varying oceanographic processes. Using two sets of in-situ data collected from the same stations, separated by a decade, we… read more here.

Keywords: sea; arabian sea; variability; winter time ... See more keywords
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Internal variability in a coupled general circulation model in radiative‐convective equilibrium

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Published in 2017 at "Geophysical Research Letters"

DOI: 10.1002/2017gl073658

Abstract: Numerical models run in non-rotating Radiative-Convective Equilibrium (RCE) using prescribed sea surface temperatures (SSTs) show that convection can spontaneously aggregate into dry and moist areas, and that convective aggregation tends to increase with temperature. Using… read more here.

Keywords: convective equilibrium; circulation model; variability; general circulation ... See more keywords
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Tropical forcing of the Summer East Atlantic pattern

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Published in 2017 at "Geophysical Research Letters"

DOI: 10.1002/2017gl075493

Abstract: The Summer East Atlantic (SEA) mode is the second dominant mode of summer low-frequency variability in the Euro-Atlantic region. Using reanalysis data, we show that SEA-related circulation anomalies significantly influence temperatures and precipitation over Europe.… read more here.

Keywords: sea; tropical forcing; variability; summer ... See more keywords
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Trends and interannual variability of mass and steric sea level in the Tropical Asian Seas

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Published in 2017 at "Journal of Geophysical Research"

DOI: 10.1002/2017jc012792

Abstract: The mass and steric components of sea level changes have been separated in the Tropical Asian Seas (TAS) using a statistically optimal combination of Jason satellite altimetry, GRACE satellite gravimetry and ocean reanalyses. Using observational… read more here.

Keywords: sea level; mass; mass steric; variability ... See more keywords