540 results
TYPE I & TYPE II ERRORS 

SENSITIVITY & SPECIFICITY = SNOUT & SPIN 
Sensitive Tests that
TYPE I & TYPE II ERRORS ... #Type1 #Type2 #Errors ... #Biostatistics
Important Biostatistics and Epidemiology Equations

Sensitivity = TP / (TP + FN) = true positives / disease
Important Biostatistics ... = Rule IN #Biostatistics
The arrows point to a subendocardial region with poor contrast enhancement due to ischemia. This is
The arrows point ... #Clinical #EM #IM
An Overview on P-Values

"The widespread use of "statistical significance" (generally interpreted as "p <= 0.05") as
#PValues #BioStatistics
Proximal aorta longitudinal view demonstrating the abdominal aorta (red arrows), the celiac trunk (yellow arrow) and
abdominal aorta (red arrows ... #Clinical #EM #Radiology
Sensitivity Specificity False-Positive False-Negative Contingency Table / confusion matrix

Sensitivity refers to the test's ability to correctly
ConfusionMatrix #Biostatistics
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
Epidemiology and Biostatistics ... Affected by random error ... by systematic error ... true Type II (β) error ... #Epidemiology #Biostatistics
Likelihood Ratios - Probability
Remember 2/5/10 and 15/30/45:
 • LR of 2 increases the probability by 15%
LRs #diagnosis #biostatistics
Cardiac POCUS.  #diagnosis #em #cardiology #pocus
#diagnosis #em #
EKG Pocketcard 2 #Diagnosis #EM #IM #Cardiology #Medstudent #EKG #Pocketcard
2 #Diagnosis #EM