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diagnosis epidemiology biostatistics calculations equations mnemonic sensitivity npv formulas betadglucan calculation classification falsepositives fungal galactomannan graph laboratory matrix strength table
Sensitivity is the proportion of truly diseased persons in the screened population who are identified as
Specificity is the ... #PositivePredictiveValue ... #NegativePredictiveValue ... Calculation #Table #PPV ... #Statistics #Matrix
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 Important Biostatistics and Epidemiology Equations Sensitivity = TP / (TP + FN) = true positives / disease
disease present Specificity ... Sensitivity) / Specificity ... Sensitivity vs Specificity ... Biostatistics #statistics ... #PPV #NPV
Positive Predictive Value Calculation - Probability that someone with a positive test actually has the disease Positive
with a positive test ... Positives #PositivePredictiveValue ... #PPV #Biostatistics ... #statistics #Epidemiology
Negative Predictive Value Calculation - Probability that someone with a negative test truly does not have
with a negative test ... Negatives #NegativePredictiveValue ... #NPV #Biostatistics ... #statistics #Epidemiology
Specificity Calculation - Probability that a test correctly identifies those without the disease (true negative rate) Specificity
Specificity Calculation ... Probability that a test ... negative rate) Specificity ... TN / (FP + TN) Specificity ... Biostatistics #statistics
It's eye-opening to realize how many tests with reasonable-appearing sensitivity or specificity will end up being
realize how many tests ... sensitivity or specificity ... despite having a specificity ... #Diagnosis #Statistics ... #Sensitivity #Specificity
USMLE Epidemiology and Biostatistics Summary Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
Specificity (rule ... PPV: proportion ... prevalence is low, then PPV ... FN) Higher specificity ... -> higher PPV
1,3-Beta-D-Glucan and Galactomannan Testing Sensitivity Specificity and False Positives 1,3-Beta-D-Glucan • Cell wall component of many fungi
Testing Sensitivity Specificity ... 96% • Higher specificity ... dx of IA PPV ... NPV >90% (In most ... the use of this test
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