11 results
Cholecystitis Diagnostic Test Characteristics  

Sensitivity, Specificity and Likelihood Ratios of Labs, Physical Exam findings, and
Cholecystitis Diagnostic Test ... , Specificity and ... Characteristics #Table ... #Sensitivity #Specificity ... LikelihoodRatio #Accuracy
Sensitivity Specificity False-Positive False-Negative Contingency Table / confusion matrix

Sensitivity refers to the test's ability to correctly
Sensitivity Specificity ... False-Negative Contingency Table ... not to have the disease ... #Sensitivity #Specificity ... #Contingency #Table
Sensitivity is the proportion of truly diseased persons in the screened population who are identified as
by the screening ... Specificity is the ... scores on the screening ... #Specificity #PositivePredictiveValue ... #Calculation #Table
Commonly Used Diagnostic Tests for Celiac Disease

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
and first-level screening ... test - High sensitivity ... and specificity ... and specificity ... Diagnosis #Workup #Table
Performance Characteristics for Colorectal Cancer Screening Tests
Stool/blood-based tests:
 • FIT: 79% sensitivity, 94% specificity for CRC
Colorectal Cancer Screening ... tests: • FIT: ... 94% specificity ... Cancer #colon #Screening ... #table #management
ACA Colorectal Cancer Screening Guidelines

When to Screen?
When to Stop?
Family History

Performance Characteristics for Colorectal Cancer Screening Tests
Stool/blood-based
Colorectal Cancer Screening ... Colorectal Cancer Screening ... tests: • FIT: ... Cancer #colon #Screening ... #comparison #table
"Imagine you're running airport security, screening passengers (tests) to catch dangerous items (diseases). Now meet your
airport security, screening ... passengers (tests ... dangerous items (diseases ... If a test has high ... If a test has high
Diagnosis Adrenal Insufficiency - Algorithm

Step 1) Screening Test: 6-8AM Cortisol Level
 - Early morning cortisol levels
Insufficiency - Algorithm ... Step 1) Screening ... have almost 100% specificity ... for AI (but low sensitivity ... Insufficiency #Algorithm
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Studies in Rheumatic Diseases ... testing has higher specificity ... but lower sensitivity ... Screening Tests ... Screening Tests
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
Sensitivity (rule ... out – screening ... Specificity (rule ... FN) Higher specificity ... error Validity (“accuracy