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diagnosis epidemiology biostatistics calculations mnemonic sensitivity npv ppv graph positivepredictivevalue calculation classification formulas likelihoodratios matrix relationship strength table test
Important Biostatistics and Epidemiology Equations Sensitivity = TP / (TP + FN) = true positives / disease
and Epidemiology Equations ... disease present Specificity ... Sensitivity) / Specificity ... Biostatistics #statistics ... #Epidemiology #Equations
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 is the proportion of truly diseased persons in the screened population who are identified as
Specificity is the ... #Sensitivity #Specificity ... PositivePredictiveValue #NegativePredictiveValue ... NPV #Formulas #Statistics
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 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
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
This requires defining some general cutoff values for likelihood ratios. These are admittedly arbitrary, but
between sensitivity/specificity ... #Diagnosis #Statistics ... #Sensitivity #Specificity
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