Glossary

AJAX progress indicator
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  • NOMANorwegian National Competent Authority. http://www.legemiddelverket.no"
  • Null hypothesisThe word ‘null’ can be thought of as ‘no change’. A null hypothesis is typically the standard assumption and is defined as the prediction that there is no interaction between variables.For example, the null hypothesis states that there is no causal relationship between a new treatment and a(...)
  • Number-needed-to-treatThe number-needed-to-treat (NNT) is a measure used to describe the effectiveness of an intervention, such as treatment with a medicine.The NNT is the number of participants who will need to be treated in order for one person to recover, or show symptom reduction, or whatever outcome is being(...)
  • NNTThe number-needed-to-treat (NNT) is a measure used to describe the effectiveness of an intervention, such as treatment with a medicine.The NNT is the number of participants who will need to be treated in order for one person to recover, or show symptom reduction, or whatever outcome is being(...)
  • Observational StudyIn epidemiology and statistics, an observational study draws conclusions about the possible effect of a treatment on participants, where the assignment of participants into a treatment group versus a control group is outside the control of the investigator.However, in some cases observational(...)
  • Observer BiasObserver bias (also called ascertainment or detection bias) is caused when the actions of an investigator affect the results of a trial. Observer bias can be unintentional and could arise from the investigator's hopes or expectations of the trial. It is most likely to occur when: the(...)
  • Observer-reported outcomeA measurement based on an observation by someone other than the patient or a health professional such as a parent, or other non-clinical caregiver who regularly observes the patient in daily life and is in a position to report on a specific aspect of the patient’s health.This type of measure(...)
  • ObsROA measurement based on an observation by someone other than the patient or a health professional such as a parent, or other non-clinical caregiver who regularly observes the patient in daily life and is in a position to report on a specific aspect of the patient’s health.This type of measure(...)
  • Oestrogen Receptors (Estrogen Receptors)Oestrogen Receptors (Estrogen Receptors)
  • EROestrogen Receptors (Estrogen Receptors)

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