9 results
Negative Predictive Value Calculation - Probability that someone with a negative test truly does not have
Negatives #NegativePredictiveValue ... Biostatistics #statistics ... #Epidemiology #
Sensitivity is the proportion of truly diseased persons in the screened population who are identified as
#Epidemiology #Sensitivity ... PositivePredictiveValue #NegativePredictiveValue ... NPV #Formulas #Statistics
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Important Biostatistics and Epidemiology Equations

Sensitivity = TP / (TP + FN) = true positives / disease
Biostatistics and Epidemiology ... Biostatistics #statistics ... #Epidemiology #
Specificity Calculation - Probability that a test correctly identifies those without the disease (true negative rate)

Specificity
Biostatistics #statistics ... #Epidemiology #
Sensitivity Calculation - Probability that a test correctly identifies those with the disease (true positive rate)

Sensitivity
Biostatistics #statistics ... #Epidemiology #
Positive Predictive Value Calculation - Probability that someone with a positive test actually has the disease

Positive
Biostatistics #statistics ... #Epidemiology #
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
A quick infographic on the importance of sun protection and the various results of sun damage
clinical basics, epidemiology ... Cancer statistics