22 results
Misinterpretation of the P-value 

P-value - Probability for a given statistical model under the null hypothesis
Misinterpretation #biostatistics ... #diagnosis #pitfalls
Corpora Amylacea - Pathology

This olfactory nerve margin looks hypercellular at low power- is it involved by
Corpora Amylacea ... loaded with corpora amylacea ... Can be a pitfall ... LisaRooperMD #Corpora #Amylacea
Important Biostatistics and Epidemiology Equations

Sensitivity = TP / (TP + FN) = true positives / disease
Important Biostatistics ... = Rule IN #Biostatistics
TYPE I & TYPE II ERRORS 

SENSITIVITY & SPECIFICITY = SNOUT & SPIN 
Sensitive Tests that
Type2 #Errors #Biostatistics
An Overview on P-Values

"The widespread use of "statistical significance" (generally interpreted as "p <= 0.05") as
#PValues #BioStatistics
Causes of Increased Amylase (Hyperamylasemia)
Increased serum amylase is not always due to pancreatitis. Here are some
Causes of Increased Amylase ... Increased serum amylase ... @drkeithsiau #Amylase
Sensitivity Specificity False-Positive False-Negative Contingency Table / confusion matrix

Sensitivity refers to the test's ability to correctly
ConfusionMatrix #Biostatistics
Likelihood Ratios - Probability
Remember 2/5/10 and 15/30/45:
 • LR of 2 increases the probability by 15%
LRs #diagnosis #biostatistics
Elevated Amylase (Hyperamylasemia)- Differential Diagnosis Algorithm
Pancreatic causes:
 - Pancreatic cancer
 - Complications pancreatitis: eg pseudocyst
 -
Elevated Amylase ... cysts #Elevated #Amylase
Pitfalls in the Diagnosis of Necrotizing Soft-Tissue Infection #Diagnosis #GenSurg #EM #Pitfalls #Necrotizing #SoftTissueInfections #NEJM
Pitfalls in the ... #GenSurg #EM #Pitfalls