BACKGROUND The association of diabetes mellitus (DM) with nonarteritic anterior ischemic optic neuropathy (NAION) has been inconclusive. PURPOSE To determine whether DM is associated with an increased risk of NAION. METHODS A comprehensive literature search was performed for published studies reporting both DM and NAION based on PubMed and EMBASE. After reviewing characteristics of all the ...

Biases in systematic reviews and meta-analyses may be examined in 'meta-epidemiological' studies, in which the influence of trial characteristics such as measures of study quality on treatment effect estimates is explored. Published studies to date have analysed data from collections of meta-analyses with binary outcomes, using logistic regression models that assume that there is no between- or...

conclusions the majority of iranian women had neutral attitudes towards menopause, which may be evidence of poor knowledge about menopause. therefore, it is suggested that appropriate educational programs be developed and implemented by policymakers in order to increase knowledge and raise awareness among women about menopause. results out of the 21 selected documents, 11 studies were eligible ...

introduction: the aim of the present research was to conduct a meta-analysis on the effectiveness of play therapy studies on behavioral disorders in children. method: the method of this study was meta-analysis. twenty two studies from throughout iran (1996 to 2012) including 637 participants were used in this meta-analysis. data was analyzed using standardized mean difference effect size method...

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...