12 results
Sensitivity Specificity False-Positive False-Negative Contingency Table / confusion matrix

Sensitivity refers to the test's ability to correctly
Sensitivity Specificity ... False-Positive ... False-Negative Contingency ... Table / confusion ... #Contingency #Table
Medications that Can Cause False Positives on Drug Tests

Urine drug screens (UDSs) are simple to use,
that Can Cause False ... Positives on Drug Tests ... positives on drug tests ... levofloxacin (Levaquin ... positive #drug #tests
The test characteristics of the heterophile antibody (AKA the monospot test) are not perfect and can
The test characteristics ... AKA the monospot test ... can lead to both false ... positive and false ... #Sensitivity #Specificity
Cholecystitis Diagnostic Test Characteristics  

Sensitivity, Specificity and Likelihood Ratios of Labs, Physical Exam findings, and
Cholecystitis Diagnostic Test ... Sensitivity, Specificity ... Characteristics #Table ... #Sensitivity #Specificity
Commonly Used Diagnostic Tests for Celiac Disease

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
Used Diagnostic Tests ... reliable noninvasive test ... sensitivity and specificity ... sensitivity and specificity ... Diagnosis #Workup #Table
Sensitivity is the proportion of truly diseased persons in the screened population who are identified as
the screening test ... implies being able ... Specificity is the ... #Sensitivity #Specificity ... #Calculation #Table
"Imagine you're running airport security, screening passengers (tests) to catch dangerous items (diseases). Now meet your
screening passengers (tests ... If a test has high ... Specificity, on ... If a test has high ... specificity, it
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
disease who test ... Specificity (rule ... FN) Higher specificity ... null when it’s false ... when it is indeed false
1,3-Beta-D-Glucan and Galactomannan Testing Sensitivity Specificity and False Positives
1,3-Beta-D-Glucan
 • Cell wall component of many fungi
Testing Sensitivity Specificity ... and False Positives ... 96% • Higher specificity ... BAL samples • False ... the use of this test
D-dimer
Plasma D-dimer is a product of clot breakdown, released upon degradation of polymerized, crosslinked fibrin. Elevated
can cause a ↓ specificity ... (i.e. more false ... positive tests) ... Specificity can ... yrs of age) the specificity