10 Questions
What is the Responder Rate used to measure in intervention outcomes?
Response rate
What does an RR of 0.7 indicate?
70% of participants met the condition for being classed as a 'responder'
What is the Rate Ratio (Relative Risk) used for in intervention comparisons?
Comparing differences between two interventions
What information does the Odds Ratio provide in intervention comparisons?
Probability of response for one intervention compared to another
What does the Number Needed to Treat (NNT) indicate?
The number of patients that need to be treated to achieve one additional response
What is the main difference between retrospective and prospective studies?
Retrospective studies examine past behaviors only, while prospective studies monitor into the future to look for specific outcomes.
In a clinical trial, what is the purpose of Phase 2?
Phase 2 is the first phase where the drug is tested on patients.
What type of data is weight, blood pressure, and blood glucose in clinical trials?
Scalar (continuous) data
Describe the difference between observational and interventional studies.
Observational studies observe existing characteristics, while interventional studies involve actions taken as part of the study.
What is the purpose of Phase 4 in clinical trials?
Phase 4 involves post-marketing surveillance.
Test your knowledge on clinical trial phases (Phase 1 to Phase 4) and the differences between retrospective and prospective studies. Explore key concepts related to how interventions or characteristics impact outcomes in medical research.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
