19 results
Important Biostatistics and Epidemiology Equations

Sensitivity = TP / (TP + FN) = true positives / disease
Important Biostatistics ... = Rule IN #Biostatistics ... Epidemiology #Equations #calculations ... #diagnosis #mnemonic
Sensitivity Calculation - Probability that a test correctly identifies those with the disease (true positive rate)

Sensitivity
Sensitivity Calculation ... #sensitivity #Biostatistics ... Epidemiology #Equations #calculations ... #diagnosis #mnemonic
Specificity Calculation - Probability that a test correctly identifies those without the disease (true negative rate)

Specificity
Specificity Calculation ... #Specificity #Biostatistics ... Epidemiology #Equations #calculations ... #diagnosis #mnemonic
Positive Predictive Value Calculation - Probability that someone with a positive test actually has the disease

Positive
Predictive Value Calculation ... PositivePredictiveValue #PPV #Biostatistics ... Epidemiology #Equations #calculations ... #diagnosis #mnemonic
Negative Predictive Value Calculation - Probability that someone with a negative test truly does not have
Predictive Value Calculation ... NegativePredictiveValue #NPV #Biostatistics ... Epidemiology #Equations #calculations ... #diagnosis #mnemonic
Lab patterns seen in Inborn Errors of Metabolism

A table of lab values compiled from UpToDate and
seen in Inborn Errors ... additions, for diagnosing ... metabolicemergency-pathophysiology-differential-pediatrics-metabolism-algorithm-diagnosis ... Laboratory #Patterns #diagnosis
A schema of the pathophysiology of the inborn errors of metabolism, excluding complex storage diseases. Helps
of the inborn errors ... Pathophysiology #Diagnosis ... #Algorithm #Differential
Anisocoria algorithm - Solid arrows indicate recommended approaches to diagnosis. Dotted arrows indicate optional workup. 

#Anisocoria
Anisocoria algorithm ... - Solid arrows ... approaches to diagnosis ... #Anisocoria #algorithm ... ophthalmology #diagnosis
Amblyopia - Lazy Eye - Differential Diagnosis Algorithm
Deprivational - Obstruction of Visual Axis:
 • Ptosis
 •
- Differential Diagnosis ... Algorithm Deprivational ... Unequal Refractive Error ... #Differential #Diagnosis ... #Algorithm #Causes
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
Epidemiology and Biostatistics ... by systematic error ... #Epidemiology #Biostatistics ... #formulas #calculations ... #diagnosis