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5 Cards in this Set

  • Front
  • Back
Risk estimates
based on prior observations of similar patients
Why develop risk estimates?
Average for group not apply to individual

50% survival rate may be 1-year for treated group and 6-months for the non-treated group

Your patient may only live 1-month after treatment started.

Average experience for group not useful to predict precise outcome for individual
Average experience for group important for ...
... making management decisions for individual

Average survival time after treatment for group increased by 1- month verses 1-year

Average for group 1-year; your patient may be 2-weeks.

On average if base management on experience of group you will make better decisions
Exposure =
= cause

Having contact with or possessing a risk factor
Outcome =
= effect

The result of exposure to a particular risk factor

Outcome may be disease, recovery, survival time or other health related event