However, these observations are inconclusive as there was only one RCT and one cohort study reported lifetime and past month prevalence, respectively. Pooled estimates of lifetime and 1 month AI practice was higher when the word ‘anal’ was first mentioned in the article title compared to in...
This results from the fact that participants in an RCT may not be representative of the target population to which their findings are intended to apply, and from differences between the experimental context in which RCTs are conducted and the world of everyday clinical practice. This chapter ...
What is the research question?: A case study in the early stages of design of a randomised controlled trial for a complementary therapy Randomised controlled trials (RCTs) can be used to evaluate aspects of the effectiveness of complementary therapies. Given the individualised and non-blind... ...
3B Individual Case-control study 4 Case series (and poor quality cohort and case-control study 5 Expert opinion without explicit critical appraisal or based on physiology bench research or “first principles” RCT = Randomized clinical trial. From [4]. Levels of evidence is closely related to ou...
A pilot study is a mini-scale, pre-study which aims to find out that whether important components of a main-study will be beneficial or not. It is basically an RCT, i.e., randomized controlled trial. RCT’s need a lot of money and time to be carried out. Therefore, it is important...
One example of an interventional study is a randomized control trial (RCT). During a randomized control trial, human subjects are chosen at random to receive an intervention. Generally, participants are arbitrarily placed into one of two groups: the experimental group receiving the intervention that...
If it is a double-blind trial, neither the patients nor the doctors know which group is which until the study is over. This type of study is designed to eliminate bias in both the patient and the observer, and the random assignment of drug vs. placebo is done via a computer program. ...
It is unknown if the positive effects are sustained for 5 ye... M Bertelsen,P Jeppesen,L Petersen,... - 《Arch Gen Psychiatry》 被引量: 572发表: 2008年 Design of the Resistance and Endurance exercise After ChemoTherapy (REACT) study: A randomized controlled trial to evaluate the ...
This case is useful for theory-building in part due to its paradigmatic status in the political history of Cold War science (on the methodological uses of paradigmatic cases, see Martin 2003; Creager et al. 2007; Guggenheim and Krause 2012; Ermakoff 2014). Although Stanford as an ...
Stress ulcer prophylaxis in the intensive care unit: is it indicated? A topical systematic review Stress ulcer prophylaxis (SUP) is regarded as standard of care in the intensive care unit (ICU). However, recent randomized, clinical trials (RCTs) and met... M.,KRAG,A.,... - 《Acta Anae...