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16 results for “Observational Studies”
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Research ArticleOpen accessIn the keywordsEvaluation of Subset Matching Methods: Evidence from a Monte Carlo Simulation StudyLateef Amusa, Temesgen Zewotir, Delia NorthIn the absence or infeasibility of experiments, matching methods have increasingly been used in making causal claims using observational data. This paper conducts a Monte Carlo simulation study, based on a household panel survey, to compare the performance of some widely used subset matching methods. The methods include the propensity score caliper matching, Mahalanobis distance matching, and coarsened exact matching. … …American Journal of Applied Sciences, Vol. 16, Issue 3 · 11 Apr 2019 · 7,740 accessesView PDFCite
Research ArticleOpen accessIn the abstractAn Observational Study on the Prevalence of Sexually Transmitted Infections in Cheonan from 2017 to 2021Sun Jung Lee, Tae Su Jang, Jae Kyung KimAlthough the global incidence of sexually transmitted infections is increasing annually, there are few studies in Cheonan that have analyzed the frequency of infection by individual bacterial species by age since 2017. Therefore, in this observational study, we investigated trends in sexually transmitted infections in Cheonan, South Korea, since 2017. From January 2017 to November 2021, 3,297 specimens were obtained … …American Journal of Biochemistry and Biotechnology, Vol. 20, Issue 2 · 17 Apr 2024 · 6,316 accessesView PDFCite
Literature ReviewOpen accessIn the abstractA Review on Effects of Bisphenol a on Reproductive, Endocrine Systems and its Influencing MechanismGanghui Ye, Liting Zheng, Chang Meng et al.Background and purpose: Bisphenol A (BPA) is a pervasive environmental toxicant with known adverse effects on human immune system and nervous system et al. Although, BPA is widely known to affect endocrine function in animals, the linkage between human exposure to BPA and human reproductive function is still not clearly clarified. Results: Systematic review of all articles about BPA and … …American Journal of Biochemistry and Biotechnology, Vol. 17, Issue 4 · 3 Dec 2021 · 6,511 accessesView PDFCite
EditorialOpen accessIn the abstractAssociation between Infective Endocarditis and Premalignant Colorectal LesionsCarles FalcesThe association between Infective Endocarditis (IE) and Colorectal Cancer (CRC) has been known for more than 50 years. The microorganisms in which this association has been described are Streptococcus gallolyticus (formerly Streptococcus bovis) (Corredoira-Sánchez et al., 2012; Boleij et al., 2011), in different subspecies and, more recently, Enterococcus faecalis (Pericàs et al., 2016; 2017; Escolà-Vergé et al., 2020; Pericàs et … …American Journal of Infectious Diseases, Vol. 17, Issue 3 · 10 Jun 2021 · 11,559 accessesView PDFCite
Review ArticleOpen accessIn the abstractCOVID 19-How is the Exposure of the Pediatric Population? A Systematic Review ProtocolVitória Monteiro Monte Oliveira, Paulo Francisco de Almeida-Neto, Francisca Dalila Paiva Damasceno de Lima et al.Solid information on exposure and how to treat COVID-19 in pediatric patients is not yet conclusive in the literature, because of this it is necessary to make a critical analysis of the available data in order to provide common points on the theme in question. This systematic review protocol is registered in PROSPERO (ID: CRD42020181835) and aims through searches in … …American Journal of Infectious Diseases, Vol. 17, Issue 2 · 12 Apr 2021 · 6,868 accessesView PDFCite
Research ArticleOpen accessIn the abstractThe Dynamic of Afamin and Alpha-Fetoprotein Expression during Rat Liver DevelopmentIndriyani, Isabella Kurnia Liem, Puspita Eka Wuyung et al.Liver has a high level of Alpha-fetoprotein which is assumed to be important for mammalian development. However, Alpha-fetoprotein knockout studies in mice suggested that despite the absence of Alpha-fetoprotein, mice developed normally; the only abnormality observed was infertility in female mice. There are indications that Afamin, a protein that has a gene sequence located on the same chromosome as Alpha-fetoprotein, … …OnLine Journal of Biological Sciences, Vol. 21, Issue 1 · 5 Feb 2021 · 6,766 accessesView PDFCite
Research ArticleOpen accessIn the abstractEffect of Application of Standard Operating Procedure and Work Motivation to Occupational Accident on Coal Mine EmployeesAprizal Satria Hanafi, Qomariyatus SholihahMining industry is one of the most high risk jobs, thus requiring the application of standard operating procedure in every phase of the work. Based on the preliminary study at PT. Darma Henwa, Site Asam-Asam Coal Project there were 126 cases of occupational accidents in 2012 and 22 cases of occupational accidents in 2013. Several studies have shown, do not … …American Journal of Applied Sciences, Vol. 14, Issue 2 · 25 Jan 2017 · 8,169 accessesView PDFCite
EditorialOpen accessIn the abstractBig Data and Parkinson’s Disease - from Understanding of Disease to Personalised MedicineYen F. Tai, Nicola PaveseThe advancement of information technology in recent years has generated a huge amount of datasets in all areas of scientific research. This has led to new opportunities to harness the 'Big Data' to improve our understanding of diseases - from investigating disease mechanisms to monitoring treatment responses. The Big Data approach is a data-driven and often hypothesis-free, way of studying … …Neuroscience International, Vol. 7, Issue 1 · 27 Jul 2016 · 7,755 accessesView PDFCite
Research ArticleOpen accessIn the abstractObservational Study of Wind Shear in Northeastern BrazilFernando R. Martins, André R. Gonçalves, Enio B. PereiraThe wind energy share is growing fast in Brazil and a better understanding of wind speed vertical profiles is essential for accurate power density estimates. The wind shear is highly variable in space and time, being influenced by surface layer stability. Studies concerning wind vertical profiles may have a significant contribution to the Brazilian energy sector. However, wind observational data … …American Journal of Engineering and Applied Sciences, Vol. 9, Issue 3 · 12 Mar 2016 · 8,213 accessesView PDFCite
Literature ReviewOpen accessIn the abstractRapid Entire Body Assessment: A Literature ReviewDima Al Madani, Awwad DababnehThe aim of this review is to provide a summary of one of the observational postural analysis ergonomic assessment tools; Rapid Entire Body Assessment (REBA) in terms of its development, applications, validity and limitations. Research showed REBA’s convenience for postural assessment of jobs in numerous professional settings, including industrial and health care jobs, construction, sawmill tasks, supermarket industry, food industry, … …American Journal of Engineering and Applied Sciences, Vol. 9, Issue 1 · 26 Feb 2016 · 16,255 accessesView PDFCite