Discover and read the best of Twitter Threads about #ccstudies
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This is my first attempt at a #tweetorial, so taking up something relatively simple for it… Case-Control Studies. Let me begin with a reminder of one of the most classic #CCStudies of all times, where study 7 patients led to a conclusive finding! 1/14 
Case-Control Studies investigate the relationship between a health/disease outcome and one or more putative factors (risk/protective) associated with the disease. They start from the point where the outcome of interest has already happened, and look back in time. 2/14
This is different from cohort or clinical trials, where the exposure (risk/protective/interventions) factors are known, and then the individuals are followed up over time to see if the outcome of interest (health/disease condition) take place. 3/14
