Multivariate Statistics
Mostrando 1-12 de 150 artigos, teses e dissertações.
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1. Awareness towards stroke among high school students in Brazil: a cross-sectional study
ABSTRACT BACKGROUND: Stroke is one of the main causes of death worldwide. Educational interventions on stroke are potentially effective in reducing the period between the onset of symptoms and the initial emergency medical assistance. OBJECTIVES: To assess high school students’ knowledge of stroke. DESIGN AND SETTING: Cross-sectional study conducted in
Sao Paulo Medical Journal. Publicado em: 2022
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2. Popular knowledge of stroke in São Paulo: a cross-sectional study within the World Stroke Campaign
ABSTRACT BACKGROUND: Stroke is the second leading cause of death in Brazil and the main cause of disability. Inability to identify alarm signals causes delays in seeking emergency services, thereby leading to a worse prognosis. OBJECTIVES: To assess the population's knowledge of how to recognize and prevent stroke. DESIGN AND SETTING: Prospective cross-se
Sao Paulo Med. J.. Publicado em: 2021-04
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3. A Simple Risk Scoring Systems to evaluate the presence of aneurysm and one-year mortality in patients with abdominal aortic aneurysm using CHA2DS2-VASc and ATRIA
SUMMARY OBJECTIVE: We aimed to demonstrate the clinical utility of CHA2DS2-VASc and anticoagulation and risk factors in atrial fibrillation risk scores in the assessment of one year mortality in patients with abdominal aortic aneurysm. METHODS: We designed a retrospective cohort study using data from Suleyman Demirel University Hospital for the diagnosis o
Rev. Assoc. Med. Bras.. Publicado em: 2021-01
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4. Forecasting mass and metallurgical balance at a gold processing plant using modern multivariate statistics
Abstract Knowing the quantity and the quality of products and tailings generated by a beneficiation plant, even before ore processing, can make the mining operations more sustainable, more profitable, and safer. To forecast these values, it is necessary to submit samples to batch tests which mimic the processing workflow used on an industrial scale. Then, th
REM, Int. Eng. J.. Publicado em: 2020-12
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5. Pollen types of Sapindaceae from Brazilian forest fragments: apertural variation
ABSTRACT Morphological variations in angiosperm pollen grains may aid in the differentiation of families, genera and species. Sapindaceae pollen morphology holds promise for the recognition of taxa of this cosmopolitan family, which is well distributed in tropical regions and possesses great morphological diversity. This study presents the pollen morphology
Acta Bot. Bras.. Publicado em: 2020-06
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6. Chemical composition and fatty acids profile of chocolates produced with different cocoa (Theobroma cacao L.) cultivars
Abstract The objective of the present study was to characterize the physicochemical composition and to quantify the fatty acids of chocolates produced from different cocoa varieties (Theobroma cacao L.) cultivated in the Southern Region of Bahia. Nine samples of monovarietal chocolates were evaluated, according to their physical, thermal and fatty acid profi
Food Sci. Technol. Publicado em: 2020-06
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7. Factors Associated to the Knowledge of Cardiac Arrest by Health Professionals
Abstract Background: Knowledge of cardiac arrest by health professionals is associated with sociodemographic, occupational and training characteristics. Objectives: To evaluate the factors associated with the knowledge of health professionals on Cardiac Arrest. Methods: A cross-sectional study conducted in a large public hospital in the countryside of Bah
Int. J. Cardiovasc. Sci.. Publicado em: 2020-04
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8. Predictors of Post-Discharge 30-Day Hospital Readmission in Decompensated Heart Failure Patients
Abstract Background Heart failure (HF) is worldwide known as a public health issue with high morbimortality. One of the issues related to the evolution of HF is the high rate of hospital readmission caused by decompensation of the clinical condition, with high costs and worsening of ventricular function. Objective To quantify the readmission rate and ide
Int. J. Cardiovasc. Sci.. Publicado em: 2020-04
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9. Chemical composition and fatty acids profile of chocolates produced with different cocoa (Theobroma cacao L.) cultivars
Abstract The objective of the present study was to characterize the physicochemical composition and to quantify the fatty acids of chocolates produced from different cocoa varieties (Theobroma cacao L.) cultivated in the Southern Region of Bahia. Nine samples of monovarietal chocolates were evaluated, according to their physical, thermal and fatty acid profi
Food Sci. Technol. Publicado em: 17/01/2020
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10. Evaluation of the functionality and mobility of community-dwelling older adults in primary health care
Resumo Objetivo : Avaliar a capacidade funcional e a mobilidade de idosos atendidos na atenção primária à saúde e a associação de desfechos adversos (dependência funcional e mobilidade reduzida) com aspectos sociodemográficos e condições de saúde. Método : Estudo epidemiológico de caráter transversal e analítico, realizado no município de
Rev. bras. geriatr. gerontol.. Publicado em: 10/01/2020
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11. Índice de qualidade de efluente tratado em rampas de escoamento superficial
RESUMO Com o objetivo de avaliar a qualidade do efluente doméstico tratado utilizando a técnica do escoamento superficial em rampas cultivadas com forrageiras, por meio da proposta de um índice de qualidade (IQ) adaptado para fertirrigação, e agrupar os efluentes quanto à similaridade das características químicas utilizando estatística multivariada,
Eng. Sanit. Ambient.. Publicado em: 20/12/2019
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12. Predictive value of ATRIA risk score for contrast-induced nephropathy after percutaneous coronary intervention for ST-segment elevation myocardial infarction
RESUMO OBJETIVO: O escore Anticoagulação e Fatores de Risco na Fibrilação Atrial (Atria), usado na detecção do risco tromboembólico e hemorrágico de pacientes com fibrilação atrial (FA), recentemente demonstrou predizer resultados clínicos ruins em pacientes com infarto agudo do miocárdio (SCA), independentemente de ter FA. Nosso objetivo foi an
Rev. Assoc. Med. Bras.. Publicado em: 02/12/2019