161 results
Important Biostatistics and Epidemiology Equations

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

Sensitivity, Specificity and Likelihood Ratios of Labs, Physical Exam findings, and
Sensitivity, Specificity ... and Likelihood ... #Sensitivity #Specificity
POCUS Stewardship
Right Indication - Right Interpretation -Right Integration
Indication → Pre-test Probability → Spectrum of Disease →
→ Sensitivity, Specificity ... → Likelihood Ratio ... Sensitivity & Specificity ... sensitivity and specificity
Point of Care Ultrasound for Appendicitis - Visual Abstract

Can emergency physicians diagnose appendicitis with high specificity
appendicitis with high specificity ... Sensitivity 42.8% Specificity ... #Sensitivity #Specificity ... #Likelihood #EBM
This requires defining some general cutoff values for likelihood ratios.  These are admittedly arbitrary, but
cutoff values for likelihood ... between sensitivity/specificity ... and likelihood ... #Sensitivity #Specificity
Rigors And Bacteremia - Overview

• Rigors are a response to the release of cytokines and prostaglandins
Rigors) showed a specificity ... 90.3% and positive likelihood
Test Characteristics of Physical Exam, Imaging, and LRINEC 
Score for the Identification of Necrotizing Fasciitis (Sensitivity,
(Sensitivity, Specificity ... #Sensitivity #Specifiity
Dyspnea - Likelihood Ratios for Physical Exam Maneuvers

- bethgarbitelli @bethgarbitelli

#Dyspnea #Likelihood #Ratios #LRs #PhysicalExam #Maneuvers #diagnosis
Dyspnea - Likelihood ... bethgarbitelli #Dyspnea #Likelihood
Positive and Negative Likelihood Ratios Calculations
#Diagnosis #Likelihood #Ratios #LR #Calculations #Equations #Positive #Negative
Positive and Negative Likelihood ... Calculations #Diagnosis #Likelihood
HFrEF - Low Ejection Fraction on Physical Exam - Likelihood Ratios
 - Displaced Apical Impulse
 -
Physical Exam - Likelihood ... #PhysicalExam #Likelihood