11 results
Important Biostatistics and Epidemiology Equations

Sensitivity = TP / (TP + FN) = true positives / disease
and Epidemiology Equations ... Sensitivity ... Biostatistics #statistics ... #Epidemiology #Equations ... #calculations #
To improve the usefulness of the serum creatinine concentration as a marker of kidney function, prediction
predict GFR, these formulas ... commonly used formulas ... assistant medical calculation ... Neither formula ... #Calculation #Formulas
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Specificity Calculation - Probability that a test correctly identifies those without the disease (true negative rate)

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

Sensitivity
Sensitivity Calculation ... TP / (TP + FN) Sensitivity ... Biostatistics #statistics ... #Epidemiology #Equations ... #calculations #
Sensitivity is the proportion of truly diseased persons in the screened population who are identified as
Specificity is the ... #Specificity #PositivePredictiveValue ... NegativePredictiveValue #Calculation ... Table #PPV #NPV #Formulas ... #Statistics #Matrix
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Positive Predictive Value Calculation - Probability that someone with a positive test actually has the disease

Positive
Predictive Value Calculation ... Biostatistics #statistics ... #Epidemiology #Equations ... #calculations #
Negative Predictive Value Calculation - Probability that someone with a negative test truly does not have
Predictive Value Calculation ... Biostatistics #statistics ... #Epidemiology #Equations ... #calculations #
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
Diagnostic Accuracy of Electrocardiographic Criteria for Left Ventricular Hypertrophy Circulation 2009 #EBM #Diagnosis #Cardiology #LVH #Hypertrophy
Ventricular Hypertrophy Circulation ... Hypertrophy #Criteria #Sensitivity ... #Specificity #Sokolow
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USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
Sensitivity (rule ... Specificity (rule ... FN) Higher specificity ... Biostatistics #formulas ... #calculations #