220 results
An Overview on P-Values

"The widespread use of "statistical significance" (generally interpreted as "p <= 0.05") as
Overview on P-Values ... ASSOC 2016 #PValues ... #BioStatistics
P-Value Significance - Visualized in number of "heads in a row"

- Jonas Obleser, PhD - https://twitter.com/jonasobleser

#PValues
P-Value Significance ... jonasobleser #PValues ... heads #CoinFlip #Biostatistics
Misinterpretation of the P-value 

P-value - Probability for a given statistical model under the null hypothesis
P-value - Probability ... results 1) P-value ... hypothesis 3) P-value ... TerrierBen #PValue ... Misinterpretation #biostatistics
Important Biostatistics and Epidemiology Equations

Sensitivity = TP / (TP + FN) = true positives / disease
Important Biostatistics ... Positive Predictive Value ... Negative Predictive Value ... = Rule IN #Biostatistics
Normal Laboratory Values

#Laboratory #Values #Labs #Reference #Normal #Chemistries
Normal Laboratory Values ... #Laboratory #Values
TYPE I & TYPE II ERRORS 

SENSITIVITY & SPECIFICITY = SNOUT & SPIN 
Sensitive Tests that
Type2 #Errors #Biostatistics
Normal Values echocardiographic ​​diastolic parameters - Velocities, Ratios and Durations

#Diagnosis #Cardiology #Diastology #Normal #Parameters #Values #Diastolic
Normal Values echocardiographic ... Normal #Parameters #Values
Reference Laboratory Values - Fishbone Shorthand
Complete Blood Count (CBC), Basic Metabolic Panel (BMP), Liver Function Tests
Reference Laboratory Values ... #Laboratory #Values
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