What Are the Different Types of Longitudinal Studies?
There are several types of longitudinal studies used in cancer research:
1. Cohort Studies: These involve following a group of people who share a common characteristic, such as age or exposure to a risk factor, over time. 2. Case-Control Studies: These compare patients with cancer (cases) to those without (controls) to identify factors that may contribute to cancer development. 3. Randomized Controlled Trials (RCTs): Although primarily used for testing new treatments, RCTs can also provide longitudinal data when patients are followed for extended periods.
