Session 8 Flashcards
What is a risk difference?
An absolute measure of effect.
Subtract the risk of the intervention group by the risk of the control group, developing an outcome.
What is the relative risk?
It is the risk of one group, divided by the risk of one group, in developing an outcome.
What is the difference between risk ratio and relative risk?
They are the same thing.
What is concordance?
Where a patients views, and desires are taken into account when making decisions about their care.
This includes the available options, risks and benefits.
What is the concordance approach?
Define the problem - specify the problem with the clinicians and patient’s views.
Convey informations about how there may not be one best treatment.
Describe the benefits and risks of taking the treatment.
Provide information about the treatment options.
Check patient understanding.
Elicit patient concerns, and expectations about their outcomes.
Ascertain patient’s preferred role in decision making.
Don’t rush them.
Review decisions after specified time period.
What is the relative risk ratio reduction? What study type is it commonly used in?
How much risk a study group has reduced, in comparison to a control group.
It is commonly used in cohort studies.
What are odds ratios and what kind of studies are they used for?
Odds ratios are comparing the odds that an outcome occurs in an exposed population compared to the odds that an outcome occurs in another.
It is seen in case-control studies.
What is absolute risk reduction, compared to a relative risk reduction?
It gives a more comprehensive and accurate description of the reduction of certain risks compared between two groups.
