Doctors must always ensure they are doing the right thing for each patient. But what are benefits and harms, and how do we ‘balance’ them?
A description of the two types of data analysis – “As Treated” and “Intention to Treat” – using a hypothetical trial as an example
Medically unexplained physical symptoms. The notion of physical symptoms having no medical causes is not an old one; when is it really a Somatoform disorder and what is the best treatment? Two new Cochrane reviews help answer the question.
Randomised Controlled Trials (RCTs) are central to evidence-based healthcare; but they themselves are riddled with inefficiency. Trial Forge aims to change that.
A brief overview of the concept of bias and what it means. This blog also describes 2 particular types of bias that are perhaps less well known to students.
Angel takes a look at the new guide on allergies from Sense About Science.
Katherine Stagg explores the impact of language bias and how the language of publications can affect our evidence base.
Deevia critically appraises the latest evidence!
In this post you are going to figure out how to interpret the evaluation of diagnostic tests through sensitivity and specificity.
David’s prize winning Prezi looking at the latest Cochrane evidence for stroke treatment.
Check out Emily’s prize winning Prezi looking at the latest Cochrane evidence on thrombolysis for acute ischaemic stroke.
Deevia takes a look at ‘effect modification’ and ‘confounding’ and explains the differences.
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A beginner’s guide to standard deviation and standard error: what are they, how are they different and how do you calculate them?
When you see a claim that a treatment or intervention has no effect, it is important to examine the evidence as this may be a misleading statement.
This blog provides a detailed overview of the concept of ‘blinding’ in randomised controlled trials (RCTs). It covers what blinding is, common methods of blinding, why blinding is important, and what researchers might do when blinding is not possible. It also explains the concept of allocation concealment.