29 results
Important Biostatistics and Epidemiology Equations

Sensitivity = TP / (TP + FN) = true positives / disease
disease present Specificity ... Sensitivity) / Specificity ... Sensitivity vs Specificity ... = Rule OUT - Specificity ... Biostatistics #statistics
Sensitivity is the proportion of truly diseased persons in the screened population who are identified as
Specificity is the ... it has a narrow focus ... #Sensitivity #Specificity ... NPV #Formulas #Statistics
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It's eye-opening to realize how many tests with reasonable-appearing sensitivity or specificity will end up being
sensitivity or specificity ... despite having a specificity ... #Diagnosis #Statistics ... #Sensitivity #Specificity ... #Graph
POCUS Stewardship
Right Indication - Right Interpretation -Right Integration
Indication → Pre-test Probability → Spectrum of Disease →
POCUS Stewardship ... → Sensitivity, Specificity ... indication for POCUS ... Sensitivity & Specificity ... sensitivity and specificity
This requires defining some general cutoff values for likelihood ratios.  These are admittedly arbitrary, but
between sensitivity/specificity ... #Diagnosis #Statistics ... #Sensitivity #Specificity ... #Relationship #Graph
POCUS for diagnosing the source of Sepsis - Visual Abstract
What is the accuracy of using point-of-care
POCUS for diagnosing ... - POCUS: Sensitivity ... - 73%, Specificity ... Sensitivity - 48%, Specificity ... sepsis #source #POCUS
Biliary POCUS for Cholecystectomy - Visual Abstract
What is the predictive value of biliary POCUS in terms
Biliary POCUS for ... value of biliary POCUS ... Sensitivity - 63% - Specificity ... podcast/biliary-pocus-surgical-referral ... Cholecystectomy #POCUS
Specificity Calculation - Probability that a test correctly identifies those without the disease (true negative rate)

Specificity
Specificity Calculation ... negative rate) Specificity ... TN / (FP + TN) Specificity ... = Rule IN #Specificity ... Biostatistics #statistics
Emergency physician interpretation of point-of-care ultrasound for identifying and grading of hydronephrosis in renal colic compared
VisualAbstract #POCUS ... #Sensitivity #Specificity
Accuracy of abdominal ultrasound for the diagnosis of small bowel obstruction in the emergency department

https://www.ncbi.nlm.nih.gov/pubmed/30181794

Our data
of 93.8% and a specificity ... sensitivity of 94.3% and specificity ... Obstruction #SBO #POCUS