There is still considerable confusion and debate about the appropriate methods for analyzing prevalence studies, and a number of recent papers have argued that prevalence ratios are the preferred method and that prevalence odds ratios should not be used. These arguments assert that the prevalence ratio is obviously the better measure and the odds ratio is "unintelligible." They have often been ...

conclusions primary dysmenorrhea is a common problem in iran however, there are only a few studies regarding secondary dysmenorrhea prevalence. moreover, there is a significant variation between the results of the studies on the primary dysmenorrhea prevalence. therefore, further evidence-based data on national studies is needed to estimate the exact estimation of dysmenorrhea prevalence in ira...

objective: taking the diversity of the methodologies applied in prevalence studies of psychiatric disorders in iran and their heterogeneous results into consideration, there seems to be need for a systematic review in order to compile the findings and seek appropriate recommendations for future studies. this study aims at systematically identifying studies conducted in iran describing the preva...

several studies have been conducted in iran in order to investigate the prevalence of depression among infertile couples. however, there is a remarkable diversity among the results. this meta-analysis was conducted to estimate an overall prevalence rate of depression among infertile couples in iran.international and national electronic databases were searched up to june 2011 including medline, ...

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: 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...