6 results
Important Biostatistics and Epidemiology Equations

Sensitivity = TP / (TP + FN) = true positives / disease
and Epidemiology Equations ... #Epidemiology #Equations ... #calculations # ... #specificity #PPV ... #NPV
Negative Predictive Value Calculation - Probability that someone with a negative test truly does not have
Predictive Value Calculation ... Negatives #NegativePredictiveValue ... #NPV #Biostatistics ... #Epidemiology #Equations ... #calculations #
Sensitivity is the proportion of truly diseased persons in the screened population who are identified as
Sensitivity is the ... Sensitivity indicates ... PositivePredictiveValue #NegativePredictiveValue ... #Calculation #Table ... #PPV #NPV #Formulas
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Sensitivity Calculation - Probability that a test correctly identifies those with the disease (true positive rate)

Sensitivity
Sensitivity Calculation ... positive rate) Sensitivity ... TP / (TP + FN) Sensitivity ... #Epidemiology #Equations ... #calculations #
Positive Predictive Value Calculation - Probability that someone with a positive test actually has the disease

Positive
Predictive Value Calculation ... PositivePredictiveValue #PPV ... #Epidemiology #Equations ... #calculations #
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
Sensitivity (rule ... PPV: proportion ... specificity -> higher PPV ... Higher sensitivity ... Biostatistics #formulas #calculations