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A quantitative analysis of Propionibacterium acnes in lesional and non-lesional skin of patients with progressive macular hypomelanosis by real-time polymerase chain reaction 58
Cavalcanti,Silvana Maria de Morais; França,Emmanuel Rodrigues de; Magalhães,Marcelo; Lins,Ana Kelly; Brandão,Laura Costa; Magalhães,Vera.
Little is known about the etiology of progressive macular hypomelanosis, although it has been suggested that Propionibacterium acnes plays an important role. While microbiological culture is commonly employed to identify Propionibacterium acnes, new identification methods have been under investigation, amongst them polymerase chain reaction. To determine the cut-off point for the number of genome copies of Propionibacterium acnes in the lesional skin of patients with progressive macular hypomelanosis as a positive marker, employing quantitative real-time polymerase chain reaction and anaerobic culture, considered gold standard. An observational study with a comparison group, included 35 patients with dermatosis, attended at the Oswaldo Cruz University...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Hypopigmentation/progressive macular hypomelanosis; Propionibacterium acnes; Polymerase chain reaction; Biopsy/bacteriology; ROC curve.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822011000200002
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A routine electrocardiogram cannot be used to determine the size of myocardial infarction in the rat 56
Bonilha,A.M.M.; Saraiva,R.M.; Kanashiro,R.M.; Portes,L.A.; Antonio,E.L.; Tucci,P.J.F..
Nine lead electrocardiograms of non-infarcted (N = 61) and infarcted (N = 71) female Wistar rats (200-250 g) were analyzed in order to distinguish left ventricle myocardial infarction (MI) larger than 40% (LMI) from MI smaller than 40% (SMI). MI larger than 40% clearly caused a deviation of ÂQRS and ÂT from normal values of 270-360 degrees to 90-270 degrees. Infarcted rats showed Q wave in D1 larger than 1 mm with 94% sensitivity and 100% specificity. The sum of QRS positivity in V1, V2 and V6 lower than 10 mm identified MI with 82% sensitivity and 100% specificity. The data showed that MI can be easily and reliably diagnosed by electrocardiogram in the rat. However, contradicting what is frequently believed, when specificity and sensitivity were analyzed...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Myocardial infarction size; Rats; Electrocardiogram; Echocardiogram; ROC curve.
Ano: 2005 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2005000400016
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Analysis of the application values of different combination schemes of liquid-based cytology and high-risk human papilloma virus test in the screening of high-grade cervical lesions 56
Wang,Jian.
The aim of this study was to explore the value of different combination schemes of liquid-based cytology (LBC) and high-risk human papilloma virus (HPV) test in the screening of high-grade (≥CIN 2) cervical lesions. From 5727 women who had undergone examinations with LBC and high-risk HPV test, 1884 patients with positive results of either or both LBC and HPV test were included in this study and underwent cervical biopsy. Based on the pathological examination results, comparisons of the assessment indicators of all diagnostic tests were made, and the application values of LBC and high-risk HPV test and different combination schemes of the two in the screening of high-grade (≥CIN II) cervical lesions were estimated. Compared with the single test method, the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Liquid-based cytology; Human papilloma virus; Cervical cancer; ROC curve; High-grade.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2019000100601
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High Postprandial Triglycerides Serum Levels: Is Obesity a Good Predictor? 42
NOGAROTO,VIVIANE; RODRIGUES,MARCOS R.S.; VICARI,MARCELO R.; ALMEIDA,MARA C. DE; MILLÉO,FÁBIO Q.; SANTOS,FÁBIO A. DOS; ARTONI,ROBERTO F..
The aim of this study was to analyze the correlation between triglyceride (TG) serum levels in obese and non-obese patients in a simulated postprandial state. Both groups showed TG levels < 150 mg/dL when fasting. After 12 h fasting, the subjects ingested a lipid overload diet and blood samples were collected. The variation between fasting and the postprandial TG peak levels were analyzed. The peak of postprandial TG levels occurred 4 h after the lipid overload in both groups. When the subjects were not fasting, the majority of non-obese subjects remained within the range of normal TG values, but the values for the obese group remained elevated. There was a significant correlation between Body Mass Index (BMI) and TG at each time point until 2 h after...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Body mass index; Lipid metabolism; Risk factor; ROC curve.
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652015000100437
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Operational Models for Improving the Targeting Efficiency of Agricultural and Development Policies: A systematic comparison of different estimation methods using out-of-sample tests 31
Houssou, Nazaire; Zeller, Manfred.
Accurate targeting is key for the success of any development policy. While a number of factors might explain low targeting efficiency such as governance failure, political interference or lack of political will, this paper focuses on improving indicator-based models that identify poor households and smallholder farmers more accurately. Using stepwise regressions along with out-of-sample validation tests and receiver operating characteristic curves, this paper develops proxy means tests models for rural and urban Malawi. The models developed have proved their validity in an independent sample and therefore, can be used to target a wide range of development policies to the poor. This makes the models a potentially interesting policy tool for the country.
Tipo: Conference Paper or Presentation Palavras-chave: Malawi; Poverty targeting; Predictions; Proxy means tests; Out-of-sample tests; ROC curve; Bootstrap; Agricultural and Food Policy; Agricultural Finance; Community/Rural/Urban Development; Food Security and Poverty; International Development; Political Economy; Research Methods/ Statistical Methods; C01; C13; C51; C52; I3; I32; Q14.
Ano: 2009 URL: http://purl.umn.edu/51454
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