17 results
Important Biostatistics and Epidemiology Equations

Sensitivity = TP / (TP + FN) = true positives / disease
negatives Positive Likelihood ... / (1 – Specificity ... ) Negative Likelihood ... ) / Specificity ... Sensitivity vs
Cholecystitis Diagnostic Test Characteristics  

Sensitivity, Specificity and Likelihood Ratios of Labs, Physical Exam findings, and
Characteristics Sensitivity ... , Specificity and ... Likelihood Ratios ... Characteristics #Table #Sensitivity ... #Specificity #LikelihoodRatio
POCUS Stewardship
Right Indication - Right Interpretation -Right Integration
Indication → Pre-test Probability → Spectrum of Disease →
, Specificity → ... Likelihood Ratio ... Step 4: Sensitivity ... & Specificity ... and specificity
Chronic Hep B - How to screen for HCC
-q6 months ultrasounds
-Use of AFP has been found
lack adequate sensitvity ... nad specificity ... AASLD diagnostic algorithm ... HepatitisB #HCC #Cancer ... LiverNodule #Screening #Algorithm
The SALT Mass Casualty Triage Approach
 - SALT stands for “Sort, Assess, Lifesaving interventions, and Treatment
data regarding sensitivity ... , specificity, or ... MassCasualty #Incident #Algorithm
Point of Care Ultrasound for Appendicitis - Visual Abstract

Can emergency physicians diagnose appendicitis with high specificity
appendicitis with high specificity ... pubmed/29760840 Sensitivity ... 42.8% Specificity ... VisualAbstract #Accuracy #Sensitivity ... #Specificity #Likelihood
This requires defining some general cutoff values for likelihood ratios.  These are admittedly arbitrary, but
cutoff values for likelihood ... relationship between sensitivity ... /specificity and ... likelihood ratios ... #Specificity #LikelihoodRatios
ACA Colorectal Cancer Screening Guidelines

When to Screen?
When to Stop?
Family History

Performance Characteristics for Colorectal Cancer Screening Tests
Stool/blood-based
ACA Colorectal Cancer ... for Colorectal Cancer ... , 94% specificity ... , 87% specificity ... #Colorectal #Cancer
Performance Characteristics for Colorectal Cancer Screening Tests
Stool/blood-based tests:
 • FIT: 79% sensitivity, 94% specificity for CRC
for Colorectal Cancer ... , 94% specificity ... , 87% specificity ... , 91% specificity ... #Colorectal #Cancer
Diagnostic algorithm for the workup of hypercalcemia. The diagnostic workup for patients presenting with hypercalcemia rests
Diagnostic algorithm ... value of 0.0115, sensitivity ... ) was 0.80 and specificity ... #Differential #Algorithm