in western countries such as united states data from 2002-2006 showed that at least 1.7 million people sustain a traumatic brain injury (tbi) each year. of those individuals, about 52,000 die, 275,000 are hospitalized, and 1.365 million are treated and released from an emergency department. in 2000, direct medical costs and indirect costs such as lost productivity of totaled an estimated $76.5 ...

background and purpose: investigation of the seasonal pattern of brucellosis occurrence may help us to determine the etiology of disease. seasonal pattern of brucellosis in different parts of iran has been reported by several studies. combining the results of these studies provide a reliable estimation of a total seasonal pattern of this zoonosis disease. this study aims to determine the overal...

background: sexual dysfunction in women is very common and it affects physical and mental health. several studies have been conducted in iran in order to investigate the prevalence of female sexual dysfunction. however, there is a remarkable diversity among the results. this meta-analysis was conducted to estimate the overall prevalence of female sexual dysfunction in iran. methods: internation...

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studying the effect of marketing tactical capabilities on the financial performance of the firms is now proposed as one of the most important priorities of marketing researches. however, the results of the studies in many academic fields that are conducted about a specific issue are usually contrasting. meta-analysis is a research approach that helps the researcher to achieve a suitable combina...

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...

results we included 20 articles in our meta-analysis. the pooled hbsag prevalence in children of e and m countries was 2.73% (95% ci: %1.73% - 3.72%). the prevalence rates in the emro and middle eastern countries were 1.85% (95% ci: 1.27% - 2.43%) and 2.66% (95% ci: 1.31% - 4.01%), respectively. the prevalence rates amongst children in nations considered in more than one study were 0.81% (95% c...

search results show that numerous primary studies have been carried out in different parts of iran regarding prevalence of g6pd deficiency; if results of these studies are combined, a reliable estimation of prevalence of this factor will be achieved in iran. thus, present study, aimed to determine the prevalence of g6pd deficiency by combining findings of qualified primary studies using meta-an...

abstract: in contrast to traditional reviews, systematic reviews explore theliterature on a specific topic comprehensively using a well-defined protocol and recruit the findings of eligible studies after the assessment of their qualities, using a clear and reproducible method. checking the assumptions, we may merge the findings of recruited studies in a systematic review and use metaanalysis te...