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38 results

Important Biostatistics and Epidemiology Equations

Sensitivity = TP / (TP + FN) = true positives / disease

Important Biostatistics ... and Epidemiology Equations ... = Rule IN #Biostatistics ... #Epidemiology #Equations

To improve the usefulness of the serum creatinine concentration as a marker of kidney function, prediction

function, prediction equations ... Cockcroft-Gault equation ... Disease (MDRD) equation ... version of this equation ... , render these equations

Positive and Negative Likelihood Ratios Calculations
#Diagnosis #Likelihood #Ratios #LR #Calculations #Equations #Positive #Negative

#Calculations #Equations

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

Sensitivity Specificity False-Positive False-Negative Contingency Table / confusion matrix

Sensitivity refers to the test's ability to correctly

ConfusionMatrix #Biostatistics

DO2 Equation in Shock = Oxygen Delivery
DO2 = CO x (1.39 x [Hb] x SaO2 +(0.003xPaO2))
DO2

DO2 Equation in ... Thind888 #DO2 #Equation

Likelihood Ratios - Probability
Remember 2/5/10 and 15/30/45:
• LR of 2 increases the probability by 15%

LRs #diagnosis #biostatistics

Oxygen Delivery Equation
DO2 = CO x {(1.39 x Hb x sO2) + (PaO2 x 0.03)}
DO2 =

Oxygen Delivery Equation ... Oxygen #Delivery #Equation

Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material

Pustular Localised Eruptions ... Pustular Diffuse Eruptions ... Acneiform eruptions

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