25 results
Important Biostatistics and Epidemiology Equations

Sensitivity = TP / (TP + FN) = true positives / disease
Epidemiology Equations Sensitivity ... Likelihood Ratio = Sensitivity ... Specificity Sensitivity ... Mnemonic: - Sensitivity ... Biostatistics #statistics
Urinalysis Testing - UTI Sensitivity and Specificity
 - Leukocyte esterase 
 - Nitrite 
 - WBCs
Testing - UTI Sensitivity ... Testing #Accuracy #Sensitivity ... #Specificity #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
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
Sensitivity is the proportion of truly diseased persons in the screened population who are identified as
Sensitivity is the ... Sensitivity indicates ... #Epidemiology #Sensitivity ... NPV #Formulas #Statistics
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It's eye-opening to realize how many tests with reasonable-appearing sensitivity or specificity will end up being
reasonable-appearing sensitivity ... specificity or sensitivity ... #Diagnosis #Statistics ... Classification #Strength #Sensitivity ... #Specificity #Graph
This requires defining some general cutoff values for likelihood ratios.  These are admittedly arbitrary, but
relationship between sensitivity ... #Diagnosis #Statistics ... #Sensitivity #Specificity ... #Relationship #Graph
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
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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 ... Biostatistics #statistics