نتایج جستجو برای: systematic reviews

تعداد نتایج: 368907  

Background Systematic reviews are increasingly used to inform health policy-making. The conflicts of interest (COI) of the authors of systematic reviews may bias their results and influence their conclusions. This may in turn lead to misguided public policies and systems level decisions. In order to mitigate the adverse impact of COI, scientific journals require authors to disclose their COIs. ...

Journal: :medical journal of islamic republic of iran 0
arsia jamali scientific research center, tehran university of medical sciences, & exceptional talents development center, tehran university of medical sciences, tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (tehran university of medical sciences) saharnaz nedjat epidemiology and biostatistics department, school of public health, tehran university of medical sciences, & knowledge utilization research center, tehran university of medical sciences, tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (tehran university of medical sciences) kazem heidari epidemiology and biostatistics department, school of public health, tehran university of medical sciences, tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (tehran university of medical sciences) raika jamali students’ scientific research center, tehran university of medical sciences, tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (tehran university of medical sciences) kiana hassanpour students’ scientific research center, tehran university of medical sciences, & exceptional talents development center, tehran university of medical sciences, tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (tehran university of medical sciences) sima nedjat knowledge utilization research center, tehran university of medical sciences, & university of social welfare and rehabilitation, tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (tehran university of medical sciences)

background: investment in science is vital for the development and well-being of societies. this study aims to assess the scientific productivity of countries by quantifying their publication of systematic reviews taking the gross national income per capita (gnipc) into account. methods: medline and isi web of science were searched for systematic reviews published between 1st january 2006 and 3...

Journal: :international journal of health policy and management 2013
clive adams

there has been too much of a one-way flow drift down a river of evidence. researchers from rich countries have produced the primary evidence which they proceed to summarise within reviews. these summaries have directed care worldwide. however, things are changing and the river of evidence can flow in the other direction. the care of women with eclampsia has been changed or refined throughout th...

Background: Investment in science is vital for the development and well-being of societies. This study aims to assess the scientific productivity of countries by quantifying their publication of systematic reviews taking the gross national income per capita (GNIPC) into account. Methods: Medline and ISI Web of Science were searched for systematic reviews published between 1st January 2006 an...

Background Recently there has been a significant increase in the number of systematic reviews addressing questions of prevalence. Key features of a systematic review include the creation of an a priori protocol, clear inclusion criteria, a structured and systematic search process, critical appraisal of studies, and a formal process of data extraction followed by methods to synthesize, or combin...

Journal: :Quality and Safety in Health Care 1996

Elaheh Mansouri Ensieh Entezari Fatemeh Ghaffari Sardasht Masoumeh Ghazanfarpour Morvarid Irani, Talat Khadivzadeh

Background & aim: This systematic overview of reviews on complementary and alternative medicine (CAM) was performed to summarize the clinical efficacy of this approach in the treatment of erectile dysfunction (ED) and assess methodological quality of the included reviews. Methods: A comprehensive search was performed to find the systematic reviews and meta-analyses on CAM interventions (e.g., a...

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