13 results
Test Characteristics of Physical Exam, Imaging, and LRINEC 
Score for the Identification of Necrotizing Fasciitis (Sensitivity,
Test Characteristics ... (Sensitivity, Specificity ... LRINEC #Testing #Accuracy ... #Sensitivity #Specifiity
Cholecystitis Diagnostic Test Characteristics  

Sensitivity, Specificity and Likelihood Ratios of Labs, Physical Exam findings, and
Cholecystitis Diagnostic Test ... Sensitivity, Specificity ... 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 ... refers to the test's ... Specificity of a ... #Contingency #Table
The following graph was prepared based on the latest information on Testing for the Diagnosis of
The following graph ... bother doing any tests ... There are NO tests ... that are accurate ... If the RNA PCR test
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
Small Bowel Obstruction Testing Accuracy
#Diagnosis #SBO #Testing #Accuracy #Sensitivity #Specificity #KUB #AbdominalXRay #CT #POCUS #LikelihoodRatio #Comparison
Obstruction Testing Accuracy ... #SBO #Testing #Accuracy ... #Sensitivity #Specificity ... LikelihoodRatio #Comparison #Table
It's eye-opening to realize how many tests with reasonable-appearing sensitivity or specificity will end up being
realize how many tests ... sensitivity or specificity ... despite having a specificity ... #Sensitivity #Specificity ... #Graph
Helicobacter Pylori Testing  Methods - Sensitivity and Specificity

Serology - 85% - 79% - Does not
Sensitivity and Specificity ... Urea breath test ... BEST first line test ... Laboratory #Diagnosis #Accuracy
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
disease who test ... then all negative tests ... Specificity (rule ... FN) Higher specificity ... error Validity (“accuracy