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Characterization of the variable cow's age at last calving as a measurement of longevity by using the Kaplan-Meier estimator and the Cox model
(2013-04-01)
In most studies on beef cattle longevity, only the cows reaching a given number of calvings by a specific age are considered in the analyses. With the aim of evaluating all cows with productive life in herds, taking into ...
Characterization of the variable cow's age at last calving as a measurement of longevity by using the Kaplan-Meier estimator and the Cox model
(2013-04-01)
In most studies on beef cattle longevity, only the cows reaching a given number of calvings by a specific age are considered in the analyses. With the aim of evaluating all cows with productive life in herds, taking into ...
Risk factors associated with mortality in patients hospitalized for coronavirus disease 2019 in Rio de Janeiro, Brazil
(Sociedade Brasileira de Medicina Tropical, 2022)
COVID-19 pandemic and its recovery time of patients in India: A pilot study
Background and aims: Covid-19 virus started from Wuhan, China and has brought the world down to its
knees. It has catapulted as a venomous global phenomenon. This study focuses on the Covid-19 situation
in India and its ...
Avaliação genética da eficiência reprodutiva em vacas pardo-suíças por meio da análise de sobrevivência
(Universidade Federal do Rio Grande do NorteBRUFRNPrograma de Pós-Graduação em Produção AnimalSistemas de Produção Sustentáveis no Semi-árido; Caracterização, conservação e melhoramento genético, 2014-02-20)
Among the traits of economic importance to dairy cattle livestock those related to sexual precocity and longevity of the herd are essential to the success of the activity, because the stayability time of a cow in a herd ...
Smooth time-dependent receiver operating characteristic curve estimators
(SAGE Publications Ltd, 2018)
Anemia at one year is an independent risk factor of graft survival
(2012-02-01)
Background Post-transplant anemia is multifactorial and highly prevalent. Some studies have associated anemia with mortality and graft failure. The purpose of this study was to assess whether the presence of anemia at 1 ...
Profile of cardiovascular risk factors and mortality in patients with symptomatic peripheral arterial disease
(2009-07-22)
Introduction: The present study examines cardiovascular risk factor profiles and 24-month mortality in patients with symptomatic peripheral arterial disease. Design Study: Prospective observational study including 75 ...
Profile of cardiovascular risk factors and mortality in patients with symptomatic peripheral arterial disease
(2009-07-22)
Introduction: The present study examines cardiovascular risk factor profiles and 24-month mortality in patients with symptomatic peripheral arterial disease. Design Study: Prospective observational study including 75 ...