8 results
Important Biostatistics and Epidemiology Equations

Sensitivity = TP / (TP + FN) = true positives / disease
Biostatistics and Epidemiology ... disease present Specificity ... Sensitivity) / Specificity ... Biostatistics #statistics ... #Epidemiology #
Sensitivity is the proportion of truly diseased persons in the screened population who are identified as
Specificity is the ... #Epidemiology #Sensitivity ... #Specificity #PositivePredictiveValue ... #NegativePredictiveValue ... NPV #Formulas #Statistics
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Specificity Calculation - Probability that a test correctly identifies those without the disease (true negative rate)

Specificity
Specificity Calculation ... negative rate) Specificity ... TN / (FP + TN) Specificity ... Biostatistics #statistics ... #Epidemiology #
Negative Predictive Value Calculation - Probability that someone with a negative test truly does not have
Negatives #NegativePredictiveValue ... Biostatistics #statistics ... #Epidemiology #
Diagnostic algorithm for the workup of hypercalcemia. The diagnostic workup for patients presenting with hypercalcemia rests
Diagnostic algorithm ... ) was 0.80 and specificity ... Thus, further testing ... #Differential #Algorithm
Diagnosis Adrenal Insufficiency - Algorithm

Step 1) Screening Test: 6-8AM Cortisol Level
 - Early morning cortisol levels
Insufficiency - Algorithm ... have almost 100% specificity ... require Cosyntropin testing ... Insufficiency #Algorithm
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 ... probability of getting ... rishimd #USMLE #Epidemiology
Celiac Disease - Diagnosis Algorithm
IgA TTG has high sensitivity and specificity of ~ 98% and is
Disease - Diagnosis Algorithm ... sensitivity and specificity ... pts need further testing ... Disease #Diagnosis #Algorithm