نتایج جستجو برای: controlled trial
تعداد نتایج: 589078 فیلتر نتایج به سال:
Randomized controlled trial (RCT) is generally considered to be one of the strongest study designs because the results it generates, have minimum bias and avoids confounders by virtue of the randomization and blinding technique which it employs. It has the potential to generate a Level B evidence on its own or even a Level A evidence when a pooled meta-analysis or a systematic review of several...
We conducted a controlled multicenter trial with central randomization and evaluation of events under blind conditions involving 652 patients with unstable angina. Patients were treated either with conventional therapy alone (group C) (n =338) or with conventional therapy combined with an inhibitor of platelet aggregation, ticlopidine 250 mg b.i.d. (group C+T) (n=314). Patients were assigned ra...
BACKGROUND There is evidence from North American trials that supported employment using the individual placement and support (IPS) model is effective in helping individuals with severe mental illness gain competitive employment. There have been few trials in other parts of the world. AIMS To investigate the effectiveness and cost-effectiveness of IPS in the UK. METHOD Individuals with sever...
Background: Levels of physical activity (PA) in UK children are much lower than recommended and novel approaches to its promotion are needed. The Children, Parents and Pets Exercising Together (CPET) study is the first exploratory randomised controlled trial (RCT) to develop and evaluate an intervention aimed at dog-based PA promotion in families. CPET aimed to assess the feasibility, acceptabi...
To investigate the effects of supplemental oxygen on cardiac rhythm during gastroscopy, 103 patients aged over 60 were randomised to receive either supplemental oxygen or air at 2 litres/minute during the procedure. Pulse rate, blood pressure, oxygen saturation, and a Holter cardiac trace were monitored before, during, and for one hour after the gastroscopy. A wide range of electrocardiographic...
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