9 results
Important Biostatistics and Epidemiology Equations

Sensitivity = TP / (TP + FN) = true positives / disease
and Epidemiology Equations ... disease present Specificity ... Sensitivity) / Specificity ... 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
It's eye-opening to realize how many tests with reasonable-appearing sensitivity or specificity will end up being
sensitivity or specificity ... despite having a specificity ... #Diagnosis #Statistics ... #Sensitivity #Specificity ... #Graph
Sensitivity is the proportion of truly diseased persons in the screened population who are identified as
Specificity is the ... #Sensitivity #Specificity ... NPV #Formulas #Statistics
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This requires defining some general cutoff values for likelihood ratios.  These are admittedly arbitrary, but
between sensitivity/specificity ... #Diagnosis #Statistics ... #Sensitivity #Specificity ... #Relationship #Graph
Sensitivity Calculation - Probability that a test correctly identifies those with the disease (true positive rate)

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

Positive
Biostatistics #statistics ... #Epidemiology #Equations
Negative Predictive Value Calculation - Probability that someone with a negative test truly does not have
Biostatistics #statistics ... #Epidemiology #Equations
Work Shifting - Mechanical Ventilation
Why the new term:
Synchrony issues, by definition, have to do with timing.
See next page graph ... work from the equation