7 results
Important Biostatistics and Epidemiology Equations

Sensitivity = TP / (TP + FN) = true positives / disease
and Epidemiology Equations ... Sensitivity ... Sensitivity vs ... Biostatistics #statistics ... #Epidemiology #Equations
Sensitivity is the proportion of truly diseased persons in the screened population who are identified as
Sensitivity is the ... Specificity is the ... #Specificity #PositivePredictiveValue ... #NegativePredictiveValue ... NPV #Formulas #Statistics
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Negative Predictive Value Calculation - Probability that someone with a negative test truly does not have
Negatives #NegativePredictiveValue ... Biostatistics #statistics ... #Epidemiology #Equations
Specificity Calculation - Probability that a test correctly identifies those without the disease (true negative rate)

Specificity
Specificity Calculation ... negative rate) Specificity ... TN / (FP + TN) Specificity ... Biostatistics #statistics ... #Epidemiology #Equations
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 ... Biostatistics #statistics ... #Epidemiology #Equations
It's eye-opening to realize how many tests with reasonable-appearing sensitivity or specificity will end up being
reasonable-appearing sensitivity ... or specificity ... or sensitivity ... #Diagnosis #Statistics ... #Specificity #Graph
This requires defining some general cutoff values for likelihood ratios.  These are admittedly arbitrary, but
relationship between sensitivity ... /specificity and ... #Diagnosis #Statistics ... #Sensitivity #Specificity