background: esophageal cancer is often diagnosed in the last stages where the chance of patient’s survival is very low. the aim of this systematic review was presentation of valid estimation of survival in patients with esophageal cancer in different regions of iran. methods: a systematic review was carried out based on the reliable domestic medical databases including: sid, magiran, irandoc an...

data extraction primary outcomes were incidence, prevalence, or odds ratio of having osteoporosis, defined as bone mineral density t-score < -2.5 sd. results of 353 articles, 344 articles were excluded, 9 underwent full-length review and data were extracted from 7 studies consisting of 113,558 patients. finally, 3 extracted studies were included in the meta-analysis of osteoporosis. among cohor...

objective: the aim of the present study is to perform a systematic review of studies that investigated the prevalence of any kind of mental disorders in high school students in iran. method: a broad search was conducted in medline/pubmed, isi web of science, psychinfo, cinahl, embase, and three iranian databases, including iranpsych, iranmedex, and scientific information database (sid). to cove...

background: intravenous immunoglobulin (ivig) is an established treatment of immune mediated demyelinating neuropathy including guillain-barré syndrome and chronic inflammatory demyelinating polyneuropathy. recent trials suggest its efficacy in treating relapsing- remitting multiple sclerosis. ivig exerts a number of effects, which may be beneficial in treating multiple sclerosis (ms): reductio...

conclusions regarding the efficacy outcomes of the patients after des implantation, no differences were found between shorter (≤ 6 months) and longer (≥ 12 months) duration of dapt. what is worse is that longer duration (≥ 12 months) was associated with increased risk of bleeding complications. evidence acquisition this study was conducted at the department of cardiology, the first college of c...

abstract the prevalence of asthma is inconsistent in different countries and even in regions of a country. awareness of this prevalence has favorable impacts on health care system planning. the aim of this literature review and meta-analysis was to estimate the prevalence of pediatric asthma in the islamic republic of iran during two recent decades. a search was done in national (sid, magiran, ...

background and aims: nowadays, hypnosis has opened its position in the medical community. based on controlled trials, hypnosis has been superior compared to other interventional procedures to reduce acute pain. this investigation aims to determine the effectiveness of hypnosis in the treatment of pain and enhancing mental performance in iran, using the meta-analysis method. methods: the search ...

background & aim: a meta-analysis refers to the statistical synthesis of results from a series of studies and has been used to estimate pooled prevalence of human diseases. in this study, we review some statistical issues regarding the meta-analysis of the prevalence of human diseases such as statistical software and programs, transformations of prevalence rate, assessment of heterogeneity, and...

background: burnout is currently a major concern among physicians due to their high level of stress at work. there are several reports on various levels of burnout in residency programs due to several predisposing factors. the aim of this systematic review was to estimate a more precise prevalence of burnout among residents of obstetrics and gynecology. methods: pubmed, science direct and scopu...

introduction: the prevalence of iran deficiency anemia (ida) in pregnant women is in variable between 40-80% in developing countries. there are some differences among different studies on this disorder. so, this present study is been performed for evaluating the prevalence of ida among pregnant iranians with systematic review and meta analysis method.method: this study is based on received info...