586 results
Important Biostatistics and Epidemiology Equations

Sensitivity = TP / (TP + FN) = true positives / disease
Important Biostatistics ... disease present Specificity ... Sensitivity) / Specificity ... Sensitivity vs Specificity ... = Rule IN #Biostatistics
Sensitivity Specificity False-Positive False-Negative Contingency Table / confusion matrix

Sensitivity refers to the test's ability to correctly
Sensitivity Specificity ... the condition Specificity ... Specificity of a ... #Sensitivity #Specificity ... ConfusionMatrix #Biostatistics
TYPE I & TYPE II ERRORS 

SENSITIVITY & SPECIFICITY = SNOUT & SPIN 
Sensitive Tests that
SENSITIVITY & SPECIFICITY ... Type2 #Errors #Biostatistics
Test Characteristics of Physical Exam, Imaging, and LRINEC 
Score for the Identification of Necrotizing Fasciitis (Sensitivity,
(Sensitivity, Specificity ... #Sensitivity #Specifiity
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
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
Serious Bacterial Illness (SBI):
1) UTI and pyelonephritis
Most common cause of SBI
Accounts for 3-8% of uncharacterized fevers
Female
Bacterial Illness (SBI ... common cause of SBI ... Urinalysis: LE 75% specificity ... , Nitrites 97% specificity ... Classification #Fever #SBI
Urinalysis Testing - UTI Sensitivity and Specificity
 - Leukocyte esterase 
 - Nitrite 
 - WBCs
Sensitivity and Specificity ... #Sensitivity #Specificity
Ascites: Physical Exam Diagnostic Accuracy

Sensitivity and Specificity: Shifting Dullness, Bulging Flanks. Fluid Wave 

Source: Joseph D.
Sensitivity and Specificity ... #Sensitivity #Specificity
An Overview on P-Values

"The widespread use of "statistical significance" (generally interpreted as "p <= 0.05") as
#PValues #BioStatistics