6 results
Sensitivity is the proportion of truly diseased persons in the screened population who are identified as
PositivePredictiveValue #NegativePredictiveValue ... Calculation #Table #PPV ... #NPV #Formulas ... #Statistics #Matrix
Important Biostatistics and Epidemiology Equations

Sensitivity = TP / (TP + FN) = true positives / disease
Biostatistics #statistics ... #specificity #PPV ... #NPV
Negative Predictive Value Calculation - Probability that someone with a negative test truly does not have
Negatives #NegativePredictiveValue ... #NPV #Biostatistics ... #statistics #Epidemiology
Positive Predictive Value Calculation - Probability that someone with a positive test actually has the disease

Positive
PositivePredictiveValue #PPV ... Biostatistics #statistics
This requires defining some general cutoff values for likelihood ratios.  These are admittedly arbitrary, but
#Diagnosis #Statistics ... #Relationship #Graph
It's eye-opening to realize how many tests with reasonable-appearing sensitivity or specificity will end up being
#Diagnosis #Statistics ... #Specificity #Graph