6 results
Important Biostatistics and Epidemiology Equations

Sensitivity = TP / (TP + FN) = true positives / disease
and Epidemiology Equations ... vs Specificity Mnemonic ... #Epidemiology #Equations ... #calculations # ... diagnosis #mnemonic
Sensitivity Calculation - Probability that a test correctly identifies those with the disease (true positive rate)

Sensitivity
Sensitivity Calculation ... TP / (TP + FN) Sensitivity ... #Epidemiology #Equations ... #calculations # ... diagnosis #mnemonic
Specificity Calculation - Probability that a test correctly identifies those without the disease (true negative rate)

Specificity
Specificity Calculation ... #Epidemiology #Equations ... #calculations # ... diagnosis #mnemonic
Positive Predictive Value Calculation - Probability that someone with a positive test actually has the disease

Positive
Predictive Value Calculation ... #Epidemiology #Equations ... #calculations # ... diagnosis #mnemonic
Negative Predictive Value Calculation - Probability that someone with a negative test truly does not have
Predictive Value Calculation ... #Epidemiology #Equations ... #calculations # ... diagnosis #mnemonic
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
Etiology: • Pathophysiology ... sequences improve sensitivity ... CTA • Anterior circulation