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

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
Used Diagnostic Tests ... and first-level screening ... and specificity ... sensitivity and specificity ... Celiac #Disease #Testing
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
respectively Screening ... - CCP antibody testing ... has higher specificity ... Screening Tests ... Screening Tests
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 ... require Cosyntropin testing ... Insufficiency #Algorithm
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 ... gastroenterology #CRC #Testing
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 ... gastroenterology #CRC #Testing
Diagnostic algorithm for the workup of hypercalcemia. The diagnostic workup for patients presenting with hypercalcemia rests
Diagnostic algorithm ... hypercalcemia rests ... ) was 0.80 and specificity ... Thus, further testing ... #Differential #Algorithm
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 ... probability of getting ... Biostatistics #formulas
Algorithm regarding the diagnosis and treatment of Hereditary Hemochromatosis HH. 

Step 1: In the patient with
Algorithm regarding ... suggested initial screening ... test should be ... elevated, HFE gene testing ... should undergo screening
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 ... -A negative test ... -A positive test