24 results
Important Biostatistics and Epidemiology Equations

Sensitivity = TP / (TP + FN) = true positives / disease
and Epidemiology Equations ... Sensitivity ... Specificity Sensitivity ... Mnemonic: - Sensitivity ... #Epidemiology #Equations
Urinalysis Testing - UTI Sensitivity and Specificity
 - Leukocyte esterase 
 - Nitrite 
 - WBCs
Testing - UTI Sensitivity ... Testing #Accuracy #Sensitivity ... #Specificity #Laboratory
Sensitivity is the proportion of truly diseased persons in the screened population who are identified as
Sensitivity is the ... Sensitivity indicates ... #Epidemiology #Sensitivity ... PositivePredictiveValue #NegativePredictiveValue
Iron Deficiency Anemia vs Anemia of Chronic Disease - Laboratory Testing

SUMMARY:
 - RDW, FEP, serum iron,
Chronic Disease - Laboratory ... normal but poor sensitivity ... Chronic #Disease #Laboratory
Tuberculous Pleural Effusions - Tests and Biomarkers
Age + fever + red blood cells + ADA -
ADA - Very high sensitivity ... - Increase in sensitivity ... % + ADA - High sensitivity ... neutrophil ratio - High sensitivity ... #Tuberculosis #Laboratory
Negative Predictive Value Calculation - Probability that someone with a negative test truly does not have
Negatives #NegativePredictiveValue ... #Epidemiology #Equations
Woltman’s sign on Physical Exam - Hi-Res .mp4 version here: https://www.grepmed.com/images/13248

53-year-old man presented with fatigue and
with fatigue and sensitivity ... Woltman’s sign — and laboratory
Commonly Used Diagnostic Tests for Celiac Disease

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
test - High sensitivity ... Widely variable sensitivity ... antibodies - Sensitivity ... Disease #Testing #Laboratory
Sensitivity Calculation - Probability that a test correctly identifies those with the disease (true positive rate)

Sensitivity
Sensitivity Calculation ... positive rate) Sensitivity ... TP / (TP + FN) Sensitivity ... = Rule OUT #sensitivity ... #Epidemiology #Equations
1,3 Beta-D-Glucan and Galactomannan - Pathogens, and Testing Characteristics
1,3 ß-D-glucan:
 • Most fungi excluding mucor and
Characteristics #Sensitivity ... #Specificity #Laboratory