نتایج جستجو برای: meta analysis approach
تعداد نتایج: 3819917 فیلتر نتایج به سال:
background: several epidemiological studies suggest that tobacco smoking increases the risk of oral cancer. no systematic review, however, has been reported to examine how consistent the evidence is across the studies. we undertook a meta-analysis of epidemiological studies investigating the magnitude relationship between tobacco smoking and oral cancer. methods: primary studies were identified...
how to cite this article: delpisheh a, veisani y, sayehmiri k, fayyazi a. febrile seizures: etiology, prevalence, and geographical variation. iran j child neurol. 2014 summer; 8(3):30-37. abstract objective febrile seizures (fss) are the most common neurological disorder observed in the pediatric age group. the present study provides information about epidemiological and clinical characterist...
objective background: preterm labor, which defines as live-birth delivery before 37 weeks of gestation is a main determinant of neonatal morbidity and mortality around the world. : the aim of this study was to determine the prevalence of preterm labor in iran by a meta-analysis study, to be as a final measure for policy makers in this field. materials and methods: in this meta-analysis, the dat...
the purpose of this study was to examine the english language needs of medical students at tehran university of medical sciences . analysis of the needs took place for three groups: 320 undergraduate students, 30 postgraduate students and 20 university instructors. a triangulation approach to collect data was used in which a combination of the quantitative (using the questionnaires) and qualita...
conclusions there is a high prevalence of mets in the iranian adult population, with large variations based on different measurement criteria. therefore, prevention and control of mets should be considered a priority. objectives this study systematically reviewed the findings of all available studies on mets in the adult iranian population and estimated the overall prevalence of mets in this po...
background: we aimed to elucidate the association between fat mass and obesity associated gene (fto) polymorphism and the risk of polycystic ovary syndrome (pcos) by meta-analysis. methods: we searched pubmed and embase databases to find the relevant studies. odds ratios (ors) and their corresponding 95% confidence intervals (cis) were used for pooled analysis. statistical analyses were carried...
results patients who attained sustained virological response had a less risk (85%) for all-cause mortality and about 63% reduced risk of hepatocellular carcinoma incidence than those who did not achieve sustained virological response. based on deeply analysis, the stage of liver fibrosis was a risk factor at baseline for the incidence of hepatocellular carcinoma. conclusions sustained virologic...
background hepatitis b virus (hbv) infection is a serious global health problem that is associated with huge social and economic costs. early antiviral drugs, such as interferon-α2b, peginterferon-α2a, lamivudine, and adefovir, all have their limitations (such as low responses or safety concerns) in clinical application. telbivudine and entecavir are two of the latest nucleotide drugs and both ...
objectives: to generate synthesized information on the epidemiology of vzv infection, as well as an estimation of prevalence of age-specific antibody in iranian less than 40. material and methods: after exclusion of irrelevant and overlapping reports, 15 papers were included (from nine major cities). studies were pooled according to the heterogeneity test results. random effect model methods we...
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 ...
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