نتایج جستجو برای: trials
تعداد نتایج: 199745 فیلتر نتایج به سال:
abstract background: acute bronchiolitis is the most common form of lower respiratory tract infection in infancy. there are numerous contradictory reports regarding the efficacy of nebulized bronchodilators in the management of infants with acute bronchiolitis. this study was designed to compare the efficacy of nebulized epinephrine with salbutamol for treatment of the disease. methods: in a ra...
چکیده ندارد.
Background and Objectives: A considerable number of clinical trials are conducted in Iran each year. Not much is known about the characteristics of them, this study aimed to investigate key characteristics of Iranian clinical trials. Methods: All clinical trial protocols registered in IRCT until November 2013 were selected. Text mining techniques were used to extract information from data t...
considering the importance of randomized clinical trials (rcts) in the evidence-based approach, the objective of this study was critical appraisal of reporting rcts in iranian dental journals.after adequate searching, 113 rct articles published during 2003-2010 were reviewed for quality of reporting with the consort scale. the quality of each paper was assessed on 20.although statistical analys...
in combination with randomization, blinding or masking is an important factor in randomized controlled trials (rcts), particularly in trials that assess therapeutic effects. here an attempt is made to explain blindness and why it is important. in clinical trials, blinding is defined as the condition imposed on a study in which study participants, health care providers and assessors collecting o...
there are evidences that statins have anti-inflammatory effects beyond their cholesterol lowering properties. the study was conducted to assess the effects of atorvastatin on asthma as an inflammatory disease. patients with moderate to severe asthma were entered this randomized, double blind, crossover clinical trial. the impact of oral atorvastatin (10 mg/day) on the lung function of normolipi...
While randomized clinical trials (RCTs) should provide the basis for evidence-based medicine, as currently designed and analyzed, they often mislead clinical decision-making. Comparative effectiveness evaluation of two treatments [Treatment 1 (T1) versus Treatment 2 (T2)] should not be determined by the statistical effect of treatments on individual measures of outcome (benefits and/or harms), ...
The knowledge related to the methodology of the field trial study as a type of intervention studies, yet for many of our researchers is not fully understood. The aim of the current study was a better understanding of conducting this type of research. Field trial studies are done on healthy individuals and aim to prevent. These types of studies such as clinical trials are performed on both i...
According to evidence-based medicine, randomized controlled clinical trials are a group of research designs which provides the highest level of clinical evidence, particularly regarding therapeutic or preventive interventions. Considering the dramatic increase in the number of published clinical trials in medical journals, the readership need to have knowledge about the problems that may occur ...
to identify the antidiabetic plants of iran, a systematic review of the published literature on the efficacy of iranian medicinal plant for glucose control in patients with type 2 diabetes mellitus was conducted. we performed an electronic literature search of medline, science direct, scopus, proquest, ebsco, googlescholar, sid, cochrane library database, from 1966 up to june 2010. the search t...
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