11 results
Sensitivity is the proportion of truly diseased persons in the screened population who are identified as
Sensitivity is the ... diseased by the screening ... scores on the screening ... #Specificity #PositivePredictiveValue ... #NegativePredictiveValue
Commonly Used Diagnostic Tests for Celiac Disease

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
Used Diagnostic Tests ... and first-level screening ... test - High sensitivity ... Widely variable sensitivity ... antibodies - Sensitivity
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
Performance Characteristics for Colorectal Cancer Screening Tests
Stool/blood-based tests:
 • FIT: 79% sensitivity, 94% specificity for CRC
Colorectal Cancer Screening ... Tests Stool/blood-based ... tests: • FIT: ... Cancer #colon #Screening ... #Tests #comparison
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
respectively Screening ... but lower sensitivity ... Screening Tests ... Screening Tests ... transferrin Screening
Iron Deficiency Anemia vs Anemia of Chronic Disease - Laboratory Testing

SUMMARY:
 - RDW, FEP, serum iron,
normal but poor sensitivity ... Ferritin-best non-invasive test ... Laboratory #Testing #Comparison
Diagnosis Adrenal Insufficiency - Algorithm

Step 1) Screening Test: 6-8AM Cortisol Level
 - Early morning cortisol levels
Algorithm Step 1) Screening ... Test: 6-8AM Cortisol ... for AI (but low sensitivity ... ) Confirmation Test ... This test determines
Antenatal / Prenatal Care Schedule 
At Every Visit: Weight, Blood pressure, Psychosocial screening, Counseling re. Indications
, Psychosocial screening ... Urine culture & sensitivity ... Prenatal genetic screening ... • ± Non-stress test
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
Sensitivity (rule ... out – screening ... disease who test ... then all negative tests ... PPV Higher sensitivity
"Imagine you're running airport security, screening passengers (tests) to catch dangerous items (diseases). Now meet your
airport security, screening ... passengers (tests ... If a test has high ... sensitivity, it ... If a test has high