نتایج جستجو برای: a meta
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conclusions the findings of the meta-epidemiological study support that ebv infection may increase the risk of breast cancer. nested case-control studies are required in the future. results a total of 20 case-control studies were selected, and the total numbers of subjects in the case and control groups were 1947 and 1010, respectively. the findings of this meta-analysis revealed that ebv infec...
background: recipients of healthcare services have rights, which must be acknowledged and protected. such rights include observance of acceptable patient physical, mental, spiritual, and social needs guided by commonly accepted rules and regulations. the objective of this study was to conduct a systematic review and meta-analysis of awareness rates and observance of patient rights in iran from ...
often in modeling the engineering optimization design problems, the value of objective function(s) is not clearly defined in terms of design variables. instead it is obtained by some numerical analysis such as fe structural analysis, fluid mechanic analysis, and thermodynamic analysis, etc. yet, the numerical analyses are considerably time consuming to obtain the final value of objective functi...
Meta-heuristic algorithms are applied in optimization problems in a variety of fields, including engineering, economics, and computer science. In this paper, seven population-based meta-heuristic algorithms are employed for size and geometry optimization of truss structures. These algorithms consist of the Artificial Bee Colony algorithm, Cyclical Parthenogenesis Algorithm, Cuckoo Search algori...
Objectives: There have been several studies published in the medical literature over the past 30 years that address the association between tea consumption and osteoporosis with inconsistent findings. A meta-analysis was undertaken, including 8 studies, to determine the effect of tea consumption on the risk of fracture. Methods & Materials: This systematic review and meta-analysis conducted ...
Purpose: To investigate the effect of smoking on corneal parameters, including Endothelial Cell Density, Central Corneal Thickness, Percent of Hexogonality, and Coefficient of Variation. Methods: This study was a systematic review and meta-analysis of published articles until the end of February 2019. To do this, the first search was done for creditable medical databases such as PubMed, and ISI...
Introduction: Nurses due to rotational shifts and job stress face to health problem and relationship with spouse, and of the ways to improve health and psychological characteristics is positive thinking training method. Therefore, this research aimed to determine the effect of positive thinking group training on psychological well-being, positive meta-emotion and couple relationship quality in ...
Background: Current findings suggest that iron deficiency anemia (IDA) may be a predisposing factor for febrile seizure (FS), while some studies show the lower prevalence of IDA in the children with FS.The present systematic review and meta-analysis aimed to elucidate the association between IDA and FS. Methods: A comprehensive search was performed using MeSH keywords in databases such as PubM...
Introduction: The aim of this study was to determine the role of meta-cognition and verbal ability in prediction of the mathematical performance of preschool children. Materials and Methods: This study was descriptive and correlational. Based on Morgan table band cluster sampling method, a sample of 196 preschool children were selected from preschool children in Ilkhechi during 2016-2017. The m...
Introduction: Multiple sclerosis (MS) is a chronic, autoimmune, and inflammatory nervous system disease. It leads to the loss of myelin in the white matter of brain, spinal cord and optic nerves. As a chronic disease with sudden and unpredictable Side effects and complications of the disease will lead to disability and dependency in life. Causes neurologic symptoms and sig. The purpose of the p...
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