Time-to-event analysis — Flashcards

Flashcard 1: _____ studies are useful for calculating relative risk (RR)

Answer: Cohort

Flashcard 2: Which type of observational study can be retro- or prospective? _____

Answer: Cohort study

Flashcard 3: A survival cohort describes the past history of _____, and thus introduces bias into the results (this is seen in Retrospective Case Series)

Answer: prevalent cases

Flashcard 4: Cumulative incidence = (# of new cases over a specific period) / (number of people at risk at the _____ of the period)

Answer: beginning

Flashcard 5: An incidence density rate (IDR) measures the _____ of the disease in a population at a given point in time

Answer: instanteous rate of speed

Flashcard 6: What kind of study compares a group with an exposure to another group without an exposure and looks for differences in disease outcomes between the two groups.

Answer: Cohort study

Flashcard 7: Explain how a cohort study works.

Answer: Compares a group with an exposure to another group without an exposure and looks for differences in disease outcomes between the two groups.

Flashcard 8: What is the unit for measuring outcomes in a cohort study?

Answer: relative risk (RR)

Flashcard 9: Lung cancer risk is directly related to the duration and the amount of smoking, which is measured in '_____'

Answer: pack-years

Extra:  Watch associated Bootcamp video [https://app.bootcamp.com/med-school/pulmonology/videos/lung-cancer?index=2] https://onlinemeded.org/spa/pulmonology/lung-cancer/acquire?ref=anki 

Flashcard 10: The Case Fatality Rate = (_____) / (# of individuals with disease at t0)

Answer: # of individuals who die from disease during T0->T+1

Extra:  https://onlinemeded.org?ref=anki