6 results
Likelihood Ratios - Probability
Remember 2/5/10 and 15/30/45:
 • LR of 2 increases the probability by 15%
Likelihood Ratios ... - Probability Remember ... BrighamChiefs #Likelihood ... LRs #diagnosis #biostatistics ... probabilities #mnemonic
Important Biostatistics and Epidemiology Equations

Sensitivity = TP / (TP + FN) = true positives / disease
Important Biostatistics ... negatives Positive Likelihood ... Specificity) Negative Likelihood ... vs Specificity Mnemonic ... = Rule IN #Biostatistics
Specificity Calculation - Probability that a test correctly identifies those without the disease (true negative rate)

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

Sensitivity
Calculation - Probability ... #sensitivity #Biostatistics ... calculations #diagnosis #mnemonic
Positive Predictive Value Calculation - Probability that someone with a positive test actually has the disease

Positive
Calculation - Probability ... PositivePredictiveValue #PPV #Biostatistics ... calculations #diagnosis #mnemonic
Negative Predictive Value Calculation - Probability that someone with a negative test truly does not have
Calculation - Probability ... NegativePredictiveValue #NPV #Biostatistics ... calculations #diagnosis #mnemonic