5 results
Helicobacter Pylori Testing  Methods - Sensitivity and Specificity

Serology - 85% - 79% - Does not
Methods - Sensitivity ... and Specificity ... Urea breath test ... #Laboratory #Diagnosis ... #Accuracy
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
has higher specificity ... but lower sensitivity ... more time for the laboratory ... including liver function ... tests (LFTs) and
1,3-Beta-D-Glucan and Galactomannan Testing Sensitivity Specificity and False Positives
1,3-Beta-D-Glucan
 • Cell wall component of many fungi
Galactomannan Testing ... Sensitivity Specificity ... 96% • Higher specificity ... the use of this test ... FalsePositives #Laboratory
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
Sensitivity (rule ... Specificity (rule ... FN) Higher specificity ... PPV Higher sensitivity ... error Validity (“accuracy
Celiac Disease - Diagnosis Algorithm
IgA TTG has high sensitivity and specificity of ~ 98% and is
Disease - Diagnosis Algorithm ... IgA TTG has high sensitivity ... and specificity ... need further testing ... -A negative test