Sfoglia per Soggetto "multivariate analysis"
Items 21-40 di 60
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Factors associated with adolescent cigarette smoking in Greece: Results from a cross sectional study (GYTS Study)
(2008)Background. Data about the predictors of smoking among adolescents in Greece are sparse. We tried to identify factors associated with current cigarette smoking among in-school adolescents in Greece in the context of GYTS ... -
Failure in diagnosis and under-treatment of osteoporosis in elderly patients with fragility fractures
(2019)We evaluated whether osteoporosis is adequately managed and treated in patients suffering from fragility fractures. Factors that influenced osteoporosis diagnosis and treatment rates were also assessed. To this end, patients ... -
Geoepidemiology, clinical manifestations and outcome of primary biliary cholangitis in Greece
(2017)Background & aims Primary biliary cholangitis (PBC) is a disease with rising prevalence and considerable geographical variation. To describe the prevalence, spatial and time distribution, baseline characteristics, response ... -
Geographical and socioeconomic determinants in the topology of spatial networks: Evidence from the interregional road network in greece
(2020)This paper studies the interrelation between the topology of spatial networks and their geographic and socioeconomic framework, based on empirical data extracted from the interregional road network in Greece (GRN), aiming ... -
Grapevine wood microbiome analysis identifies key fungal pathogens and potential interactions with the bacterial community implicated in grapevine trunk disease appearance
(2021)Background: Grapevine trunk diseases (GTDs) is a disease complex caused by wood pathogenic fungi belonging to genera like Phaeomoniella, Phaeoacremonium, Fomitiporia, Eutypa and members of the family Botryosphaeriaceae. ... -
High-dose pantoprazole continuous infusion is superior to somatostatin after endoscopic hemostasis in patients with peptic ulcer bleeding
(2007)BACKGROUND: The best antisecretory treatment after endoscopic hemostasis in patients with ulcer bleeding is still in quest. OBJECTIVES: To compare pantoprazole and somatostatin continuous infusion after endoscopic hemostasis ... -
Implementation of chemometrics for quality control and authentication of meat and meat products
(2003)Multivariate analysis has been established as a very powerful and effective tool in classifying and grouping individual products. Principal Component Analysis, Canonical analysis, Cluster and Partial Least Squares were ... -
Implementation of quality control methods (physico-chemical, microbiological and sensory) in conjunction with multivariate analysis towards fish authenticity
(2005)Nowadays authenticity of foods and fish in particular has become of crucial importance because of high number of adulteration cases. Authenticity control has gained ground thanks to the development of several rapid ... -
Instrumental and sensory analysis of Greek wines; implementation of principal component analysis (PCA) for classification according to geographical origin
(2001)Wine is one of the most important products of Greece and other Mediterranean countries. Adulteration of wines, either in terms of geographical origin or variety, has been a major topic of debate and extensive research. ... -
Integrated assessment of the impact of land use types on soil pollution by potentially toxic elements and the associated ecological and human health risk
(2022)The impact of land use type on the content of potentially toxic elements (PTEs) in the soils of the Qinghai-Tibet Plateau (QTP) and the associated ecological and human health risks has drawn great attention. Consequently, ... -
The Medical Research Council chronic dyspnea score predicts the survival of patients with idiopathic pulmonary fibrosis
(2008)Background: The Medical Research Council (MRC) chronic dyspnea scale (6-point) is used in different clinical conditions to grade breathlessness on daily activities. We have previously shown that in patients with histologically ... -
Meta-Analysis Methods of Diagnostic Test Accuracy Studies
(2022)Meta-analytic techniques are used to combine the results of different studies that have evaluated the accuracy of diagnostic tests. In this article, we present univariate and multivariate meta-analysis methods for a single ... -
Methods for multiple outcome meta-analysis of gene-expression data
(2020)Meta-analysis is a valuable tool for the synthesis of evidence across a wide range study types including high-throughput experiments such as genome-wide association studies (GWAS) and gene expression studies. There are ... -
Molecular characteristics and predictors of mortality among Gram-positive bacteria isolated from bloodstream infections in critically ill patients during a 5-year period (2012–2016)
(2020)To identify the molecular characteristics of Gram-positive cocci isolated from blood cultures and clinical outcome among critically ill patients. This retrospective study was conducted in the general intensive care unit ... -
Monitoring, modeling, and assessment of water quality and quantity in River Pinios, using ARIMA models
(2018)The purpose of this study is to analyze surface water quality and discharge data samples from River Pinios at Region of Thessaly, Central Greece. The statistical samples of each one of the variables consisted of a maximum ... -
Morphological variation between red mullet populations in Greece
(1998)Morphometric variation in 15 characters of the red mullet Mullus barbatus samples from seven Greek localities was examined using multivariate analysis. ANOVA, stepwise discriminant analysis and cluster analysis revealed a ... -
A multivariate method for meta-analysis and comparison of diagnostic tests
(2016)We present here an extension of the classic bivariate random effects meta-analysis for the log-transformed sensitivity and specificity that can be applied for two or more diagnostic tests. The advantage of this method is ... -
Multivariate methods for meta-analysis of genetic association studies
(2018)Multivariate meta-analysis of genetic association studies and genome-wide association studies has received a remarkable attention as it improves the precision of the analysis. Here, we review, summarize and present in a ... -
Net fisheries'métiers in the eastern Mediterranean: Insights for small-scale fishery management on Kalymnos Island
(2019)Small-scale fisheries constitute an important component of coastal human societies. The present study describes the small-scale net fisheries on Kalymnos Island (south-east Aegean Sea) that harbors the largest small-scale ... -
Norovirus waterborne outbreak in Chalkidiki, Greece, 2015: Detection of GI.P2_GI.2 and GII.P16_GII.13 unusual strains
(2019)Noroviruses, along with rotaviruses, are among the leading causes of gastroenteritis worldwide and novel strains are periodically emerging. In August 2015, an unusual increase of gastroenteritis cases occurred in a touristic ...