HLSC 2P27 Lecture Notes - Lecture 2: Epicenter, Survival Analysis, Impact Factor
22 Sep 2017
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Study designs that use a primary study approach. How many people take the bus everyday - 25% Is cooking in aluminum pots related to the development of alzheimers. Ask all of the people whose parents have alzheimers, what kind of pots were used when they were growing up. Ask people in the institue whose parents have something else. Find that the level of aluminum pots is much higher among those who had alzheimers. *looking at folks who already have the outcome, and looking at exposure that happened in the past, that might be related. Following students in time to track their sleep and see how it relates to exhaustion. Not going to ask them to do anything, just observing what happens. Testing drugs vs. new treatment; half take new and then compare to the others to prove it. Meta-analysis: combination of data from multiple studies to reveal patterns and outcomes.
