123 results
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
Epidemiology and Biostatistics ... Specificity (rule ... FN) Higher specificity ... median < mode) Reliability ... #Epidemiology #Biostatistics
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
Venous Oxygen Saturation to qualify reliability of VBGs
#Diagnosis #VBG #ABG #Saturation #Conversion #Reliability #Comparison
Saturation to qualify reliability ... Saturation #Conversion #Reliability
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
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
Tuberculous Pleural Effusions - Tests and Biomarkers
Age + fever + red blood cells + ADA -
sensitivity, high specificity ... sensitivity and specificity ... sensitivity and specificity ... sensitivity and specificity