Validation of the 2000 Bernstein-Parsonnet and EuroSCORE at the Heart Institute - USP

Objective: To validate the 2000 Bernstein Parsonnet (2000BP) and additive EuroSCORE (ES) to predict mortality in patients who underwent coronary bypass surgery and/or heart valve surgery at the Heart Institute, University of Sao Paulo (InCor/HC-FMUSP). Methods:A prospective observational design. We analyzed 3000 consecutive patients who underwent coronary bypass surgery and/or heart valve surgery, between May 2007 and July 2009 at the InCor/HC-FMUSP. Mortality was calculated with the 2000BP and ES models. The correlation between estimated mortality and observed mortality was validated by calibration and discrimination tests. Results: There were significant differences in the prevalence of risk factors between the study population, 2000BP and ES. Patients were stratified into five groups for 2000BP and three for the ES. In the validation of models, the ES showed good calibration (P = 0396), however, the 2000BP (P = 0.047) proved inadequate. In discrimination, the area under the ROC curve proved to be good for models, ES (0.79) and 2000BP (0.80). Conclusion: In the validation, 2000BP proved questionable and ES appropriate to predict mortality in patients who underwent coronary bypass surgery and/or heart valve surgery at the InCor/HC-FMUSP.

Polinomi di Bernstein e curve di Bezier

Questo lavoro si pone come obiettivo l'approfondimento della natura e delle proprietà dei polinomi espressi mediante la base di Bernstein. Introdotti originariamente all'inizio del '900 per risolvere il problema di approssimare una funzione continua su un intervallo chiuso e limitato della retta reale (Teorema di Stone-Weierstrass), essi hanno riscosso grande successo solo a partire dagli anni '60 quando furono applicati alla computer-grafica per costruire le cosiddette curve di Bezier. Queste, ereditando le loro proprietà geometriche da quelle analitiche dei polinomi di Bernstein, risultano intuitive e facilmente modellabili da un software interattivo e sono alla base di tutti i più moderni disegni curvilinei: dal design industriale, ai sistemi CAD, dallo standard SVG alla rappresentazione di font di caratteri.

The Jewish Bogey by Lucien Wolf, London - The History of a Lie, study by Herman Bernstein, New York [Rezension]

Paul Nathan

Podkamin: Replik des Vorsteher gegen I. Bernstein

Ch. L. Apfelbaum

Titelblatt einer französischen Übersetzung der Sprüche Salomonis aus der Mitte des 17. Jahrhunderts [Illustration] : aus der Bibliothek des Herrn Ignaz Bernstein in Warschau

Scan von Monochrom-Mikroform

Titelblatt einer italienischen Übersetzung der Sprüche Salomonis in hebräischen Lettern gedruckt. Venedig 1617 [Illustration] : in der Bibliothek des Herrn Ignaz Bernstein in Warschau

Scan von Monochrom-Mikroform

Titelblatt einer italienischen Übersetzung (in Versen) der Sprüche Salomonis. Florenz 1761 [Illustration] : aus der Bibliothek des Herrn Ignaz Bernstein in Warschau

Scan von Monochrom-Mikroform

Offener Brief an Henry Bernstein

Bernard Shaw

Jüdische Sprichwörter und Redensarten gesammelt und erklärt von Ignatz Bernstein. ("Erotica" und "Rustica")

Ignatz Bernstein

Michael Apple y Basil Bernstein : Teoría sociológica y regulación pedagógica. Dos discursos sobre la Educación y el Poder

Fil: Marano, María Gabriela. Universidad Nacional de La Plata. Facultad de Humanidades y Ciencias de la Educación; Argentina.

Michael Apple y Basil Bernstein : Teoría sociológica y regulación pedagógica. Dos discursos sobre la Educación y el Poder

Fil: Marano, María Gabriela. Universidad Nacional de La Plata. Facultad de Humanidades y Ciencias de la Educación; Argentina.

Michael Apple y Basil Bernstein : Teoría sociológica y regulación pedagógica. Dos discursos sobre la Educación y el Poder

Fil: Marano, María Gabriela. Universidad Nacional de La Plata. Facultad de Humanidades y Ciencias de la Educación; Argentina.

Geometric characteristics of conics in Bézier form

Derive coordinate-free expressions for geometric characteristics of conics written in Bézier form in terms of their control points and weights.