نتایج جستجو برای: net reclassification improvement

تعداد نتایج: 406535  

Journal: :Pediatrics 2012
Jason L Vassy Pronabesh Dasmahapatra James B Meigs Nicholas J Schork Costan G Magnussen Wei Chen Olli T Raitakari Michael J Pencina Seema M Jamal Gerald S Berenson Elizabeth Goodman

BACKGROUND Understanding the risk for type 2 diabetes (T2D) early in the life course is important for prevention. Whether genetic information improves prediction models for diabetes from adolescence into adulthood is unknown. METHODS With the use of data from 1030 participants in the Bogalusa Heart Study aged 12 to 18 followed into middle adulthood, we built Cox models for incident T2D with r...

2012
Torben Bjerregaard Larsen Flemming Skjøth

Background—The objective of this study was to evaluate the added predictive ability of the CHA2DS2VASc prediction rule for stroke and death in a nonanticoagulated population of patients with atrial fibrillation. Methods and Results—We included 1603 nonanticoagulated patients with incident atrial fibrillation from a Danish prospective cohort study of 57 053 middle-aged men and women. The Net Rec...

2015
Martin Tepel Hans C. Beck Qihua Tan Christoffer Borst Lars M. Rasmussen

The objective of the study was to define the specific plasma protein signature that predicts the increase of the inflammation marker C-reactive protein from index day to next-day using proteome analysis and novel bioinformatics tools. We performed a prospective study of 91 incident kidney transplant recipients and quantified 359 plasma proteins simultaneously using nano-Liquid-Chromatography-Ta...

Journal: :Hypertension 2015
Per H Skoglund Jonas Höijer Johan Ärnlöv Björn Zethelius Per Svensson

Improvement of risk prediction for atherosclerotic cardiovascular disease (ASCVD) is needed. Both ambulatory blood pressure (ABP) and biomarkers amino-terminal pro-B-type natriuretic peptide (NT-proBNP), high-sensitivity C-reactive protein and cystatin C improve risk prediction but they have not been evaluated in relation to each other. We analyzed whether NT-proBNP, high-sensitivity C-reactive...

Journal: :Circulation journal : official journal of the Japanese Circulation Society 2016
Nam-Kyoo Lim Joung-Won Lee Hyun-Young Park

BACKGROUND This study aimed to validate the Korean Genome Epidemiology Study (KoGES) risk score to predict the 4-year risk of hypertension (HT) in a large nationwide sample, and compare its discrimination and calibration with the Framingham and blood pressure (BP)-only models. METHODSANDRESULTS This study analyzed 69,918 subjects without HT at baseline from the National Sample Cohort in the N...

Journal: :Epidemiology 2010
Ewout W Steyerberg Andrew J Vickers Nancy R Cook Thomas Gerds Mithat Gonen Nancy Obuchowski Michael J Pencina Michael W Kattan

The performance of prediction models can be assessed using a variety of methods and metrics. Traditional measures for binary and survival outcomes include the Brier score to indicate overall model performance, the concordance (or c) statistic for discriminative ability (or area under the receiver operating characteristic [ROC] curve), and goodness-of-fit statistics for calibration.Several new m...

Journal: :Stroke 2014
Takuya Kiyohara Masahiro Kamouchi Yasuhiro Kumai Toshiharu Ninomiya Jun Hata Sohei Yoshimura Tetsuro Ago Yasushi Okada Takanari Kitazono

BACKGROUND AND PURPOSE Several risk scores have been developed to predict the stroke risk after transient ischemic attack (TIA). However, the validation of these scores in different cohorts is still limited. The objective of this study was to elucidate whether these scores were able to predict short-term and long-term risks of stroke in patients with TIA. METHODS From the Fukuoka Stroke Regis...

Journal: :Circulation. Cardiovascular interventions 2012
Rudolf Jarai George Dangas Kurt Huber Ke Xu Bruce R Brodie Bernhard Witzenbichler D Christopher Metzger Peter W Radke Jennifer Yu Bimmer E Claessen Philippe Genereux Roxana Mehran Gregg W Stone

BACKGROUND Contrast-induced acute kidney injury (CI-AKI) after percutaneous coronary intervention is associated with adverse short- and long-term outcomes. However, identification of patients at risk for CI-AKI is challenging. Using a large contemporary randomized trial database of patients with ST-segment-elevation myocardial infarction, we therefore sought to examine whether admission B-type ...

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