Probability of condition given test result | 50.00 |

Positive Predictive Value | 50.00 |

Negative Predictive Value | 50.00 |

Negative Test | Positive Test | ||

The probabaility of you being sick given a test result depends on how prevelant the condition is overall (the base rate). This is confusing at first, but it helps to think in terms of extremes:

- If we know for a fact that 100% of people are sick, then you have a 100% probability of being sick regardless of what any test says.
- If we know for a fact that 0% of people are sick, then you have aa 0% probability of being sick regardless of what any test says.

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