نتایج جستجو برای: net reclassification improvement

تعداد نتایج: 406535  

Journal: :Arteriosclerosis, thrombosis, and vascular biology 2015
Brian T Steffen Weihua Guan Alan T Remaley Pathmaja Paramsothy Susan R Heckbert Robyn L McClelland Philip Greenland Erin D Michos Michael Y Tsai

OBJECTIVE The American College of Cardiology and American Heart Association have issued guidelines indicating that the contribution of apolipoprotein B-100 (ApoB) to cardiovascular risk assessment remains uncertain. The present analysis evaluates whether lipoprotein particle measures convey risk of coronary heart disease (CHD) in 4679 Multi-Ethnic Study of Atherosclerosis (MESA) participants. ...

Journal: :Circulation 2011
Todd J Anderson Francois Charbonneau Lawrence M Title Jean Buithieu M Sarah Rose Heather Conradson Kathy Hildebrand Marinda Fung Subodh Verma Eva M Lonn

BACKGROUND Biomarkers of atherosclerosis may refine clinical decision making in individuals at risk of cardiovascular disease. The purpose of the study was to determine the prognostic significance of endothelial function and other vascular markers in apparently healthy men. METHODS AND RESULTS The cohort consisted of 1574 men (age, 49.4 years) free of vascular disease. Measurements included f...

2012
JANG-YOUNG KIM SONG VOGUE AHN JUNGHAN YOON

RESULTSdDuring an average of 2.6 years of follow-up, 153 men (18.4%) and 199 women (16.4%) developed metabolic syndrome. In multivariable-adjusted models, the odds ratio for incident metabolic syndrome comparing the highest with the lowest quartiles of adiponectin levels was 0.25 (95% CI 0.14–0.47) in men and 0.45 (0.28–0.74) in women. While serum adiponectin did not improve the area under the ...

Journal: :Fertility and sterility 2011
Esther Leushuis Jan Willem van der Steeg Pieternel Steures Carolien Koks Jur Oosterhuis Petra Bourdrez Patrick M M Bossuyt Fulco van der Veen Ben Willem J Mol Peter G A Hompes

OBJECTIVE To evaluate the capacity of the postcoital test (PCT) to predict spontaneous pregnancy in a large cohort study of subfertile couples. DESIGN Prospective study. SETTING Department of reproductive medicine of 38 hospitals in the Netherlands. PATIENT(S) Between January 2002 and February 2004, we prospectively included consecutive subfertile couples who had not been evaluated previo...

Journal: :Clinical chemistry 2014
Elisabet Zamora Josep Lupón Marta de Antonio Joan Vila Judith Peñafiel Amparo Galán Agustín Urrutia Mar Domingo Antoni Bayes-Genis

BACKGROUND Correct estimation of renal function is crucial in assessing prognosis of patients with heart failure (HF). Recently, two new equations have been proposed to calculate estimated glomerular filtration rate (eGFR) with cystatin C alone or both creatinine and cystatin C. We assessed the prognostic value of eGFR estimated by these new equations in outpatients with HF. METHODS The study...

2015
Susana Gordo-Remartínez María Calderón-Moreno Juan Fernández-Herranz Ana Castuera-Gil Mar Gallego-Alonso-Colmenares Carolina Puertas-López José A. Nuevo-González Domingo Sánchez-Sendín Mercedes García-Gámiz José A. Sevillano-Fernández Luis A. Álvarez-Sala Juan A. Andueza-Lillo José M. de Miguel-Yanes James D. Chalmers

BACKGROUND midregional proadrenomedullin (MR-proADM) is a prognostic biomarker in patients with community-acquired pneumonia (CAP). We sought to confirm whether MR-proADM added to Pneumonia Severity Index (PSI) improves the potential prognostic value of PSI alone, and tested to what extent this combination could be useful in predicting poor outcome of patients with CAP in an Emergency Departmen...

Journal: :Circulation 2008
Paul M Ridker Nina P Paynter Nader Rifai J Michael Gaziano Nancy R Cook

BACKGROUND High-sensitivity C-reactive protein and family history are independently associated with future cardiovascular events and have been incorporated into risk prediction models for women (the Reynolds Risk Score for women); however, no cardiovascular risk prediction algorithm incorporating these variables currently exists for men. METHODS AND RESULTS Among 10 724 initially healthy Amer...

Journal: :Journal of the American College of Cardiology 2013
Pia R Kamstrup Anne Tybjærg-Hansen Børge G Nordestgaard

OBJECTIVES The study tested whether extreme lipoprotein(a) levels and/or corresponding LPA risk genotypes improve myocardial infarction (MI) and coronary heart disease (CHD) risk prediction beyond conventional risk factors. BACKGROUND Elevated lipoprotein(a) levels cause MI and CHD. Levels are primarily determined by variation in the LPA gene. METHODS We followed 8,720 Danish participants i...

2012
Joshua W. Knowles Themistocles L. Assimes Michaela Kiernan Aleksandra Pavlovic Benjamin A. Goldstein Michael V. McConnell Euan A. Ashley

Background Genome-wide association studies (GWAS) have identified more than 1500 disease-associated single nucleotide polymorphisms (SNPs), including many related to atherosclerotic cardiovascular disease (CVD). Associations have been found for most traditional risk factors (TRFs), including lipids,1,2 blood pressure/hypertension,3,4 weight/body mass index,5,6 smoking behavior,7 and diabetes.8–...

2014
Guizhou Hu Martin Root Ashlee W Duncan

PURPOSE Since the introduction of the Framingham Risk Score (FRS), numerous versions of coronary heart disease (CHD) prediction models have claimed improvement over the FRS. Tzoulaki et al challenged the validity of these claims by illustrating methodology deficiencies among the studies. However, the question remains: Is it possible to create a new CHD model that is better than FRS while overco...

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