13 results
To improve the usefulness of the serum creatinine concentration as a marker of kidney function, prediction
function, prediction equations ... predict GFR, these formulas ... commonly used formulas ... Neither formula ... #Calculation #Formulas
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Important Biostatistics and Epidemiology Equations

Sensitivity = TP / (TP + FN) = true positives / disease
and Epidemiology Equations ... Biostatistics #statistics ... #Epidemiology #Equations
Table 1. Equations for estimated glomerular filtration rate (eGFR) in adults based on serum creatinine concentration*.
#Diagnosis
Equations for estimated ... CockcroftGault #EGFR #Equations ... #Calculation #Formulas
Sensitivity is the proportion of truly diseased persons in the screened population who are identified as
Table #PPV #NPV #Formulas ... #Statistics #Matrix
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Specificity Calculation - Probability that a test correctly identifies those without the disease (true negative rate)

Specificity
Biostatistics #statistics ... #Epidemiology #Equations
Sensitivity Calculation - Probability that a test correctly identifies those with the disease (true positive rate)

Sensitivity
Biostatistics #statistics ... #Epidemiology #Equations
Positive Predictive Value Calculation - Probability that someone with a positive test actually has the disease

Positive
Biostatistics #statistics ... #Epidemiology #Equations
Negative Predictive Value Calculation - Probability that someone with a negative test truly does not have
Biostatistics #statistics ... #Epidemiology #Equations
Work Shifting - Mechanical Ventilation
Why the new term:
Synchrony issues, by definition, have to do with timing.
See next page graph ... work from the equation
This requires defining some general cutoff values for likelihood ratios.  These are admittedly arbitrary, but
#Diagnosis #Statistics ... #Relationship #Graph