Cochrane Reviews are systematic reviewsIn systematic reviews we search for and summarize studies that answer a specific research question...
Consumer
‘Consumer’ is Cochrane’s preferred term for patients (or someone with personal experience of a health condition), care-givers or family...
controlled trial
A trialClinical trials are research studies involving people who use healthcare services. They often compare a new or different...
data
DataData is the information collected through research. is the information collected through research.
Dose-dependent
A response to a drug which may be related to the amount received (i.e. the dose). Sometimes trials are...
Dose-response relationship
The relationship between the quantity of treatmentSomething done with the aim of improving health or relieving suffering. For example,...
Effectiveness
The ability of an intervention (for example a drug, surgery, or exercise) to produce a desired effect, such as...
Efficacy
The extent to which an intervention (for example a drug, surgery, or exercise), produces a beneficial result under ideal...
Epidemiology
The studyAn investigation of a healthcare problem. There are different types of studies used to answer research questions, for...
Equipoise
A state of uncertainty where a person believes it is equally likely that either of two treatment options is...
Equivalence trial
A study designed to determine whether the response to two or more treatments differs by an amount that is...
False negative
In diagnostic tests, a conclusion that a person does not have the disease or condition being tested, when they...