8 results
Sensitivity is the proportion of truly diseased persons in the screened population who are identified as
#Epidemiology #Sensitivity ... #Specificity #PositivePredictiveValue ... #NegativePredictiveValue ... #Calculation #Table ... NPV #Formulas #Statistics
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
Negative Predictive Value Calculation - Probability that someone with a negative test truly does not have
Predictive Value Calculation ... Negatives #NegativePredictiveValue ... Biostatistics #statistics ... #Epidemiology # ... Equations #calculations
Specificity Calculation - Probability that a test correctly identifies those without the disease (true negative rate)

Specificity
Specificity Calculation ... TN / (FP + TN) Specificity ... Biostatistics #statistics ... #Epidemiology # ... Equations #calculations
Important Biostatistics and Epidemiology Equations

Sensitivity = TP / (TP + FN) = true positives / disease
Biostatistics and Epidemiology ... disease present Specificity ... 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
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
USMLE Epidemiology ... Specificity (rule ... FN) Higher specificity ... rishimd #USMLE #Epidemiology ... Biostatistics #formulas #calculations
Strongyloides Stercoralis
EPIDEMIOLOGY - ASSOCIATED WITH SOUTHEASTERN U.S.:
 • 0-6% US Prevalence of those:
 • ~30% Asymptomatic
Strongyloides Stercoralis EPIDEMIOLOGY ... sensitivity and specificity ... into systemic circulation