231 results
Fatality / Mortality Calculations in an Outbreak
There are a number of different types of rates, risks,
Fatality / Mortality Calculations ... outbreak: - Case ... # of deaths in cases ... MortalityRate #Calculations ... #Outbreak #Calculating
Specificity Calculation - Probability that a test correctly identifies those without the disease (true negative rate)

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

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

Positive
Predictive Value Calculation ... Biostatistics #statistics ... Epidemiology #Equations #calculations
Sensitivity is the proportion of truly diseased persons in the screened population who are identified as
correctly diagnose a case ... that any given case ... it has a narrow focus ... NegativePredictiveValue #Calculation ... NPV #Formulas #Statistics
â–º
Basophilia - Differential Diagnosis Framework

Basophils < 1% of the total white blood cell count
Basophils function similarly
• Statistical ... - Basophils + circulating ... Chickenpox Other Causes ... Differential #Diagnosis #causes
Negative Predictive Value Calculation - Probability that someone with a negative test truly does not have
Predictive Value Calculation ... Biostatistics #statistics ... Epidemiology #Equations #calculations
Important Biostatistics and Epidemiology Equations

Sensitivity = TP / (TP + FN) = true positives / disease
Biostatistics #statistics ... Epidemiology #Equations #calculations
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
Low effective circulating ... PROBLEM ~80% of AKI cases ... are caused by prerenal ... CONSIDER INTRINSIC CAUSES ... for WBCs, RBCs, casts
Gerstmann Syndrome
1) Finger agnosia - Inability to name their own fingers, affecting both sides
2) Right-left confusion
simple arithmetic calculations ... able to copy Causes ... : Stroke (main cause