EPID 301 Study Guide - Midterm Guide: Clinical Trial, Socioeconomic Status, Directed Acyclic Graph
11 Oct 2017
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Midterm (session 1 5); more focus on theory from chapter 1 to 5 3rd edition. Key take home messages: random sampling occurs, based on who gets in to study and who does not, to get a better grasp of the population, use a census (survey all individuals in population) Indication of an observed difference between two groups that is unlikely to have arisen by chance: focuses is through quantitative analysis. Clinical significance indication of an observed difference between two groups that is of clinical or public health importance; disregards of whether it is or is not statistically significant: focus is through comparative and descriptive analysis. A new drug is developed to reduce strokes by an absolute value of 0. 1% where as the placebo (p=0. 001). A new drug is developed to reduce strokes by an absolute value of 55% where as the placebo (p =0. 12). Clinically, the results are large but has a weak p value (statistically insignificant)
