Results: 112

Análise de sobrevivência de mulheres com câncer de mama: modelos de riscos competitivos

Resumo O objetivo deste estudo foi estimar os efeitos de fatores prognósticos na sobrevida do câncer de mama, como idade, estadiamento e extensão do tumor, utilizando modelos de riscos proporcionais de Cox e de riscos competitivos de Fine-Gray. É um estudo de coorte retrospectiva de base-populacional...

Caracterización de las pacientes llevadas a cesárea según modelo de Robson y exploración de factores asociados en gestantes atendidas en el hospital Universitario San José de la ciudad de Popayán-Colombia: 1 de enero de 2016 a 30 de junio de 2016
Characterization of patients undergoing cesarean section according to the Robson model and exploration of associated factors in pregnant women treated at the San José University Hospital in the city of Popayán: Colombia. January 1, 2016 to June 30, 2016

INTRODUCCION: a pesar del aumento de la tasa de cesárea no se ha evidenciado una disminución de la morbilidad materna-perinatal, la utilización de modelos como el de Robson permite su auditoria interinstitucional. OBJETIVO: caracterizar las pacientes llevadas a cesárea según el modelo Robson y hace...

Predicting of biomass in Brazilian tropical dry forest: a statistical evaluation of generic equations

An. acad. bras. ciênc; 89 (3), 2017
ABSTRACT Dry tropical forests are a key component in the global carbon cycle and their biomass estimates depend almost exclusively of fitted equations for multi-species or individual species data. Therefore, a systematic evaluation of statistical models through validation of estimates of aboveground biom...

Food Insecurity, Prenatal Care and Other Anemia Determinants in Pregnant Women from the NISAMI Cohort, Brazil: Hierarchical Model Concept

Abstract Objective To identify the prevalence of anemia and its relation to food insecurity (FI) and other determinants in pregnant women. Methods A cross-sectional, cohort-nested study, with the participation of 245 pregnant women who were cared for at Family Health Units in the municipality of Sant...

A Multivariate Model for Prediction of Obstructive Coronary Disease in Patients with Acute Chest Pain: Development and Validation

Arq. bras. cardiol; 108 (4), 2017
Abstract Background: Currently, there is no validated multivariate model to predict probability of obstructive coronary disease in patients with acute chest pain. Objective: To develop and validate a multivariate model to predict coronary artery disease (CAD) based on variables assessed at admission to...

Ajuste de la fuerza de infección del dengue

Rev. salud pública; 19 (2), 2017
RESUMEN Objetivo Plantear un modelo matemático hospedero vector para el ajuste de la fuerza de infección del dengue en una población variable con crecimiento logístico y ciclo de vida del mosquito con tasa de ovoposición periódica, considerando inmunidad a un serotipo. Métodos El modelo matem...

The impact of the meld score on liver transplant allocation and results: an integrative review

ABCD (São Paulo, Impr.); 30 (1), 2017
ABSTRACT Introduction: Liver transplantation is intended to increase the survival of patients with chronic liver disease in terminal phase, as well as improved quality of life. Since the first transplant until today many changes have occurred in the organ allocation system. Objective: To review the li...

Análise espacial da Tuberculose no Rio de Janeiro no período de 2005 a 2008 e fatores socioeconômicos associados utilizando microdado e modelos de regressão espaciais globais

Resumo Este trabalho analisa o padrão espacial da tuberculose no período de 2005 a 2008 identificando variáveis socioeconômicas relevantes para a ocorrência da doença através de modelos estatísticos espaciais. É um estudo ecológico realizado no Rio de Janeiro com casos novos. Utilizou-se o seto...

Care coordination in PMAQ-AB: an Item response theory-based analysis

ABSTRACT OBJECTIVE Analyze the quality of the National Program for Primary Care Access and Quality Improvement variables to evaluate the coordination of primary care. METHODS A cross-sectional study based on data from 17,202 primary care teams that participated in the National Program for Primary Car...

Multinomial model and zero-inflated gamma model to study time spent on leisure time physical activity: an example of ELSA-Brasil

ABSTRACT OBJECTIVE To compare two methodological approaches: the multinomial model and the zero-inflated gamma model, evaluating the factors associated with the practice and amount of time spent on leisure time physical activity. METHODS Data collected from 14,823 baseline participants in the Longitudi...