background and objective : restless legs syndrome (rls) is a sensorimotor disorder that causes sleep deprivation. rls is characterized by discomfort in the legs and severe desire to move them during sleep. different prevalence rates about rls are reported in iran. this systematic review and meta-analysis was performed to estimate the prevalence of rls in iran. materials and methods : by searchi...

in this study, we aimed to conduct a meta-analysis on the results of eligible studies to estimate the prevalence of asthma, copd, and chronic bronchitis in iran. international and iranian databases including pubmed, scopus, web of science, iranmedex, and scientific information database (sid) were searched for population–based studies that had reported the prevalence of asthma and copd from 1990...

background: gastroesophageal reflux disease (gerd) is one of the most prevalent disorders affecting gastrointestinal tract with a wide range of frequency around the world. in this study, we aimed to review all of the published studies about gerd’s prevalence in iran systematically. methods: we searched bibliographic databases including pubmed and google scholar and local databases (scientific i...

background and objective: febrile seizure is the most common convulsive disorder in children and different studies reported controversial results about the association between this disorder and iron deficiency, in some studies, iron level in children with febrile seizures is higher than control and in some reports is less than the control group. so, we systematically reviewed all the studies in...

background hepatitis e virus (hev) is one of common causes of viral hepatitis worldwide with higher prevalence in tropical and subtropical regions. although epidemics of hev have been reported from iran, there are variable reports of this infection out of epidemics from different parts of iran. this study aimed to determine the seroprevalence of hev in iran. methods in this systematic review an...

aim : in this study, we aimed to estimate one- to five-year survival rates in iranian patients with gastric cancer (gc). in addition, we preformed subgroup analyses and meta-regression to explore possible sources of heterogeneity between studies.   background : according to literatures, there has been increasing attention to the long-term survival rate in patients with gc in iran. however, resu...

Correction After the publication of this work [1], we became aware that two of the twelve studies included in the review [refs 25 and 30] were erroneously described as not having presented outcomes by randomisation (ie those randomised to screening vs those randomised not to be screened). Instead they were described as having presented outcomes according to those who were randomised and who att...

that the study failed to meet the above mentioned selection criteria. When an article could not be rejected with certainty based on the title or abstract, the full text paper was retrieved for further evaluation. Any ambiguities regarding the application of the selection criteria were resolved the full text paper was retrieved for further evaluation. Any ambiguities regarding the application of...

Study designs and other criteria for inclusion in the review A systematic review of the literature does not appear to have been undertaken. The authors reported the design of two of the primary studies that were used as the main sources of evidence. One was a retrospective cohort of 382 women recruited at 3 hospitals in the region of Mwanza. The other was a prospective cohort of ANC attendees w...