4 results
Important Biostatistics and Epidemiology Equations

Sensitivity = TP / (TP + FN) = true positives / disease
Biostatistics and Epidemiology ... Biostatistics #statistics #Epidemiology ... #calculations #diagnosis ... #specificity #PPV ... #NPV
Sensitivity is the proportion of truly diseased persons in the screened population who are identified as
in the screened population ... will correctly diagnose ... #Epidemiology #Sensitivity ... Calculation #Table #PPV ... #NPV #Formulas
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
PPV: proportion ... prevalence is low, then PPV ... NPV: proportion ... specificity -> higher PPV ... sensitivity -> higher NPV
Fluid Responsiveness and Fluid Tolerance Testing - OnePager Summary
Fluid resuscitation can be beneficial when required or
Pressure Variation (PPV ... pulse pressure (PPV ... using proprietary formulas ... is analogous to PPV ... is analogous to PPV