26 results
Positive Predictive Value Calculation - Probability that someone with a positive test actually has the disease

Positive
Predictive Value Calculation ... Positives #PositivePredictiveValue ... Biostatistics #statistics ... Epidemiology #Equations #calculations
Sensitivity is the proportion of truly diseased persons in the screened population who are identified as
#Specificity #PositivePredictiveValue ... NegativePredictiveValue #Calculation ... NPV #Formulas #Statistics
Specificity Calculation - Probability that a test correctly identifies those without the disease (true negative rate)

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

Sensitivity
Sensitivity Calculation ... Biostatistics #statistics ... Epidemiology #Equations #calculations
Negative Predictive Value Calculation - Probability that someone with a negative test truly does not have
Predictive Value Calculation ... Biostatistics #statistics ... Epidemiology #Equations #calculations
Important Biostatistics and Epidemiology Equations

Sensitivity = TP / (TP + FN) = true positives / disease
Biostatistics #statistics ... Epidemiology #Equations #calculations
Effects of Strokes by Location - Anterior vs Posterior Localization

Anterior Circulation 
 - MCA 
 -
Localization Anterior Circulation ... artery Posterior circulation ... Localization #Effects #Neurology ... Review in Clinical Neurology
Urine Osmolar Gap Calculation

Urine Osmolar Gap represents ammonium salts = Measured Urine Osmolality - (2 x
Urine Osmolar Gap Calculation ... OsmolarGap #Diagnosis #Nephrology ... #Calculation
Fractional Excretion of Sodium - FENa
Fractional Excretion of Sodium (FENa) = (Urine Na+ x Serum Cr)
Excretion #Sodium #nephrology ... #calculation #diagnosis
Clinical Features and Vascular Territories of Stroke
Anterior circulation—anterior cerebral artery (ACA) - Contralateral leg weakness
Anterior circulation—middle
Stroke Anterior circulation—anterior ... weakness Anterior circulation—middle ... ) Subcortical circulation ... cut Posterior circulation—brainstem ... CVA #Diagnosis #Neurology