225 results
Important Biostatistics and Epidemiology Equations

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

Sensitivity, Specificity and Likelihood Ratios of Labs, Physical Exam findings, and
Characteristics Sensitivity ... Specificity and Likelihood ... Characteristics #Table #Sensitivity
POCUS Stewardship
Right Indication - Right Interpretation -Right Integration
Indication → Pre-test Probability → Spectrum of Disease →
Spectrum of Disease → Sensitivity ... Specificity → Likelihood ... Step 4: Sensitivity ... to known scan sensitivity
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 ... Diagnosis #Statistics #Sensitivity
Point of Care Ultrasound for Appendicitis - Visual Abstract

Can emergency physicians diagnose appendicitis with high specificity
pubmed/29760840 Sensitivity ... VisualAbstract #Accuracy #Sensitivity ... #Specificity #Likelihood
Bandemia Overview

Normal: < 1%
Clinically significant: > 10%

Band neutrophils are slightly less mature than segmented neutrophils and
associated with greater likelihood ... hyperthermia) had a sensitivity ... WBC count had a sensitivity ... Bandemia had a sensitivity
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
Thyroid Goiter on Physical Exam - Likelihood Ratios by Finding
 • No goiter by palpation or
Physical Exam - Likelihood ... diagnosis #LR #Likelihood