17 results
Misinterpretation of the P-value 

P-value - Probability for a given statistical model under the null hypothesis
Misinterpretation #biostatistics ... #diagnosis #pitfalls
Important Biostatistics and Epidemiology Equations

Sensitivity = TP / (TP + FN) = true positives / disease
Important Biostatistics ... = Rule IN #Biostatistics
An Overview on P-Values

"The widespread use of "statistical significance" (generally interpreted as "p <= 0.05") as
#PValues #BioStatistics
TYPE I & TYPE II ERRORS 

SENSITIVITY & SPECIFICITY = SNOUT & SPIN 
Sensitive Tests that
Type2 #Errors #Biostatistics
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
Pitfalls in the Diagnosis of Necrotizing Soft-Tissue Infection #Diagnosis #GenSurg #EM #Pitfalls #Necrotizing #SoftTissueInfections #NEJM
Pitfalls in the ... #GenSurg #EM #Pitfalls
Drug Induced Liver Injury (DILI) - Stepwise Diagnosis Algorithm
DILI suspicion
Features toxic aetiology: Skin involvement, Kidney injury,
dates) Potential pitfalls
Ectopic Pregnancy and Ruptured Ectopic: Pitfalls in Diagnosis - Emergency Medicine Cases

- Infographic by Sparsh Shah
@sparsh717
#Diagnosis
Ruptured Ectopic: Pitfalls ... Pregnancy #Ruptured #Pitfalls
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
Epidemiology and Biostatistics ... #Epidemiology #Biostatistics