background: gastric cancer is the second most common cause of death from cancer. as conflicting studies have recently been published, we aimed to evaluate the magnitude of the epidemiological evidence for an association between alcohol consumption and gastric cancer. methods: this study is a meta-analysis of case-control studies which have been performed during 1989 to 2007. we systematically r...

conclusions in total, iran was classified within the low–intermediate hbv prevalence areas (2% - 4%), while according to recent data (after 2010), iran was classified within the low hbv prevalence areas (< 2%), indicating that preventive measures conducted in iran have been effective. results the polled estimated prevalence of hbv infection in the general population of iran was 2.2 % (95% ci: 1...

background: students' view is an important factor in assessing the quality of universities. servqual pattern is regarded as the most prominent for services quality measurement. this study aimed to review systematically studies that investigated the quality of educational services. methods: a systematic review and meta-analysis of studies evaluating students’ viewpoint about quality of education...

background: there is a great deal of descriptive studies on obesity in iran, mostly assessed the prevalence and its relation­ship with various risk factors and chronic diseases. in order to obtain/give a better insight into the epidemiology of obesity in iran in recent years and assess its heterogeneity around the country, we reviewed systematically all available studies and ana­lyzed their fin...

introduction: ultrasonography is currently being used as one of the diagnostic modalities in various medical emergencies for screening of trauma patients. the diagnostic value of this modality in detection of traumatic chest injuries has been evaluated by several studies but its diagnostic accuracy in diagnosis of pulmonary contusion is a matter of discussion. therefore, the present study aimed...

background: different viewpoints exist about lipid screening in all children or only in children with positive family history (fh)of premature cardiovascular diseases (cvds) or hypercholesterolemia. this systematic review and meta-analysis aim to assess the effectiveness of lipid screening in children and adolescents according to the existence of positive fh of cvd risk factors.materials and me...

Background Violence against women is a social, legal and health problem that poses a threat to mother and child in pregnancy. The present overview was conducted to review of Meta-analysis that assessed the line between the abuse on mother during pregnancy and pregnancy outcomes. Materials and Methods: This study reviewed all published articles from January 1996 to March 2018 by searching Inter...

epidemiology studies have demonstrated inconsistent associations between type 2 diabetes mellitus and the risk of malignant melanoma. to this end, the aim was to perform a meta-analysis of cohort studies.medline, pubmed, embase and the cochrane library were searched up to february 2014. cohort studies addressing the relative risk of type 2 diabetes mellitus on malignant melanoma were included i...

Innovation of IT metasystems by means of event-driven paradigm using QDMS Vladimir Nedic, Danijela Despotovic, Slobodan Cvetanovic, Milan Despotovic & Milan Eric a Faculty of Philology and Arts, University of Kragujevac, Jovana Cvijica bb, 34000 Kragujevac, Serbia b Faculty of Economics, University of Kragujevac, Djure Pucara Starog 3, 34000 Kragujevac, Serbia c Faculty of Economics, University...