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diagnosis epidemiology sensitivity biostatistics calculations equations mnemonic npv ppv calculation classification formulas likelihoodratios matrix positivepredictivevalue relationship strength table test
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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 Important Biostatistics and Epidemiology Equations Sensitivity = TP / (TP + FN) = true positives / disease
disease present Specificity ... Sensitivity) / Specificity ... Sensitivity vs Specificity ... = Rule OUT - Specificity ... Biostatistics #statistics
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
This requires defining some general cutoff values for likelihood ratios. These are admittedly arbitrary, but
between sensitivity/specificity ... #Diagnosis #Statistics ... #Sensitivity #Specificity ... #Relationship #Graph
Negative Predictive Value Calculation - Probability that someone with a negative test truly does not have
Negatives #NegativePredictiveValue ... Biostatistics #statistics
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 ... = Rule IN #Specificity ... Biostatistics #statistics
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