system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Direction of case control study?
assistant
The correct answer is  Ans. is 'a' i.e., Direction of study is reverse but time is forward o In case control study i) Direction of study Reverse Time Forward o In coho study i) Direction of study --> Forward ii) Time -Forward