← Epi - Test 1 Test
5 Written Questions
5 Matching Questions
- Case Fatality Rate
- Independent Variables
- Types of Prevention:
- Number of People Living in the US with HIV.
- a Def: Early detection of existing disease to reduce severity and complications
Ex. Screening for cancer
- b "purported cause or predictor variables" p. 5
- c Proportion of people with a disease who have a positive test for the disease = true positives/(true positives + false negatives) p. 39
- d Proportion of patients who die of a disease
- e 500,000-1,000,000
5 Multiple Choice Questions
- "degree to which the results of an observation hold true in other settings" "generalizability" "Assuming that the results of a study are true, do they apply to my patients as well?" p. 10
- The probability of an event in a population under study. #new cases over a given period of time / # people in the group
- "the extent to which repeated measurements of a stable phenomenon by different people and instruments at different times and places get similar results" Other words for this are reproducability and precision. p. 20
5 True/False Questions
John Snow → A population group unified by a specific common characteristic, such as age, and subsequently treated as a statistical unit.
Types of Prevention:
Tertiary Prevention → Definition: Preventing the initial development of a disease
Confounders → A population group unified by a specific common characteristic, such as age, and subsequently treated as a statistical unit.
Internal Validity → "degree to which the results of a study are correct for the sample of patients being studied...determined by how well the design, data collection, and analyses are carried out and..threatened by..biases and random variation" p. 10
Dependent Variables → variables describing a possible effect p. 5