Epidemiology — Flashcards

Flashcard 151: _____ years age group is mc affected in TB

Answer: 15-45

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Flashcard 152: prescriptive screening works on _____ level of prevention

Answer: secondary

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Flashcard 153: types of experimental trials are _____

Answer: randomised and non randomised

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Flashcard 154: _____ gave the multifactorial causation of disease

Answer: Pettenkofer

Flashcard 155: formula of odd's ratio is

Answer: ad/bc aka cross production ratio * SUPRA not total -but affected /non affected -NOT TOTAL remember as logical divided by illogical

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Flashcard 156: SAR in pertussis is _____% in unimmunised

Answer: 90

Flashcard 157: 1. Identify → _____ 2. Disease caused → African trypanosomiasis

Answer: Tsetse fly

Flashcard 158: Hawthorne bias refers to:

Answer: Change in behavior of study participants due to the awareness of being observed Note: Commonly seen in prospective cohort studies

Flashcard 159: _____ was the first true epidemiologist

Answer: hippocrates

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Flashcard 160: What equation is used to calculate negative predictive value (NPV) using the table below? _____

Answer: NPV = TN / (TN + FN)

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