167 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 ... error Validity (“accuracy ... #Epidemiology #Biostatistics
Test Characteristics of Physical Exam, Imaging, and LRINEC 
Score for the Identification of Necrotizing Fasciitis (Sensitivity,
(Sensitivity, Specificity ... LRINEC #Testing #Accuracy ... #Sensitivity #Specifiity
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
Ascites: Physical Exam Diagnostic Accuracy

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

Source: Joseph D.
Exam Diagnostic Accuracy ... Sensitivity and Specificity ... PhysicalExam #Ascites #Accuracy ... #Sensitivity #Specificity
Urinalysis Testing - UTI Sensitivity and Specificity
 - Leukocyte esterase 
 - Nitrite 
 - WBCs
Sensitivity and Specificity ... Urinalysis #Testing #Accuracy ... #Sensitivity #Specificity
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
Cholecystitis Diagnostic Test Characteristics  

Sensitivity, Specificity and Likelihood Ratios of Labs, Physical Exam findings, and
Sensitivity, Specificity ... #Sensitivity #Specificity ... LikelihoodRatio #Accuracy
Necrotizing Soft Tissue Infection: Diagnostic Accuracy of Physical Examination, Imaging, and LRINEC ScoreA Systematic Review and
Infection: Diagnostic Accuracy ... Testing #CT #LRINEC #Accuracy ... #Sensitivity #Specificity
TYPE I & TYPE II ERRORS 

SENSITIVITY & SPECIFICITY = SNOUT & SPIN 
Sensitive Tests that
SENSITIVITY & SPECIFICITY ... Type2 #Errors #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
Accuracy of abdominal ... of 93.8% and a specificity ... sensitivity of 94.3% and specificity ... POCUS #Diagnosis #Accuracy