the ratio of cd4+/cd8+ has been used as a clinically index to evaluate patients' immunity. numerous researchers have studied cd4+/cd8+ ratio in pulmonary tuberculosis (ptb) patients. however, the change of cd4+/cd8+ ratio remains controversial. we present a meta-analysis of 15 case-control studies to identify the change of cd4+/cd8+ ratio in ptb patients.we assessed heterogeneity of effect esti...

the aim of this research was to perform a systematic review of the efficacy of non-hormonal herbal drugs in the treatment of vaginal atrophy in postmenopausal women. three electronic databases were systematically searched from their inception to may2015: pubmed, cochrane library (cochrane central register of controlled trials) and scopus. in this meta-analysis, vaginal maturation value was cons...

background: epidemiological studies have probed the correlation between telomere length and the risk of lung cancer, but their findings are inconsistent in this regard.  the present meta-analysis study has been carried out to demonstrate the association between relative telomere length in peripheral blood leukocytes and the risk of lung cancer using an established q-pcr technique. methods: a sy...

squamous cell carcinoma (scc) is the most common malignancy of the oral cavity. this study aims to evaluate different treatment procedures including neo-adjuvant, concurrent and adjuvant therapy in treating squamous cell carcinoma of the head and neck by a meta-analysis.the authors searched all electronic databases (medline, embase and cochrane) for all the articles published from 1970 to janua...

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...

unfortunately, the prevalence of cesarean section has increased in recent years. whereas awareness of the prevalence and causes is inevitable for planning and effective interventions, so aim of this study has designed and conducted for reviewing of systematic prevalence and caesarean causes in iran. in this meta-analysis, the required information have been collected using several keywords which...

background: smoking has physical, psychological, and social impacts on women’s health and subsequently the community’s health. therefore, it is important to have an estimation of smoking among iranian women. since comprehensive data are not available in this respect, the authors performed a systematic review and metaanalyzed all high-quality studies in this field.   methods: all available elect...

how to cite this article: sayemiri k, tavan h, sayemiri f, mohammadi i, carson kv. prevalence of epilepsy in iran : a meta-analysis and systematic review. iran j child neurol. 2014 autumn; 8(4):9-17. abstract objective epilepsy is one of the most common diseases in iran contributing to an array of health problems. in light of this, the aim of the present study is to examine the prevalence of ep...

background: cytomegalovirus (cmv), a problematic virus in solid organ transplant recipients (sotr) such as liver, can worsen overall mortality and transplant outcome, so its prevention and treatment is a key of success in such patients. this study is aimed to compare the efficacy of ganciclovir (gcv) and valganciclovir (vgc) for prevention and treatment of infection with cmv. materials and meth...

background: the aim of this study was to directly compare efficacy of atomoxetine and methylphenidate in treatment of children and adolescents 6- 18 years.   methods: all published, randomized, open label or double blind trials, comparing the efficacy of methylphenidate with atomoxetine in treatment of children diagnosed with adhd, using dsm-iv criteria were included in this study; adhd rating ...