نتایج جستجو برای: integrated discrimination improvement

تعداد نتایج: 634003  

2012
IEFKE DRION NANNE KLEEFSTRA ALAA ALKHALAF JOACHIM STRUCK

RESEARCH DESIGN AND METHODSdA total of 1,225 patients with type 2 diabetes participated in this prospective observational study of two combined cohorts. Three clinical end points were studied: fatal cardiovascular events, all-cause mortality, and new-onset albuminuria. After a median follow-up of 3 or 10 years, Cox proportional hazard modeling was used to investigate the association betweenCT-p...

Journal: :JAMA 2011
Navdeep Tangri Lesley A Stevens John Griffith Hocine Tighiouart Ognjenka Djurdjev David Naimark Adeera Levin Andrew S Levey

CONTEXT Chronic kidney disease (CKD) is common. Kidney disease severity can be classified by estimated glomerular filtration rate (GFR) and albuminuria, but more accurate information regarding risk for progression to kidney failure is required for clinical decisions about testing, treatment, and referral. OBJECTIVE To develop and validate predictive models for progression of CKD. DESIGN, SE...

2014
José Manuel Soria Pierre‐Emmanuel Morange Joan Vila Juan Carlos Souto Manel Moyano David‐Alexandre Trégouët José Mateo Noémi Saut Eduardo Salas Roberto Elosua

BACKGROUND Genetics plays an important role in venous thromboembolism (VTE). Factor V Leiden (FVL or rs6025) and prothrombin gene G20210A (PT or rs1799963) are the genetic variants currently tested for VTE risk assessment. We hypothesized that primary VTE risk assessment can be improved by using genetic risk scores with more genetic markers than just FVL-rs6025 and prothrombin gene PT-rs1799963...

2014
Carol Forsblom John Moran Valma Harjutsalo Tony Loughman Johan Wadén Nina Tolonen Lena Thorn Markku Saraheimo Daniel Gordin Per-Henrik Groop

Circulating levels of sTNFaR1 were assessed in 429 patients with type 1 diabetes and overt nephropathy from the Finnish Diabetic Nephropathy (FinnDiane) cohort study. Predictors of incident ESRD over a median of 9.4 years of follow-up were determined by Cox regression and Fine-Gray competing risk analyses. The added value of sTNFaR1 was estimated via time-dependent receiver operating characteri...

Journal: :Circulation. Cardiovascular quality and outcomes 2013
Derek P Chew Ge Junbo William Parsonage Prafulla Kerkar Vitaly A Sulimov Matthew Horsfall Sue Mattchoss

BACKGROUND Acute coronary syndrome registries report the use of incomplete guideline therapies, especially among the highest risk patients. Whether this treatment gap results from misperceptions of risk by physicians is uncertain. METHODS AND RESULTS The Perceived Risk of Ischemic and Bleeding Events in Acute Coronary Syndrome Patients (PREDICT) study was a prospective acute coronary syndrome...

2011
Binh Luong Thanh Franco Turini

Data mining has been applied to the discovery of illegally discriminatory treatments caused by protected-by-law attributes such as race, gender, age, etc. In this paper, we propose an improvement for the previous work of exploring discrimination in semi-structured business data. The main idea is that discrimination represented in the form of association rules is judged by opposite patterns whos...

Journal: :American journal of epidemiology 2011
Kathleen F Kerr Robyn L McClelland Elizabeth R Brown Thomas Lumley

The integrated discrimination improvement (IDI) index is a popular tool for evaluating the capacity of a marker to predict a binary outcome of interest. Recent reports have proposed that the IDI is more sensitive than other metrics for identifying useful predictive markers. In this article, the authors use simulated data sets and theoretical analysis to investigate the statistical properties of...

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