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diagnosis biostatistics epidemiology calculations equations mnemonic sensitivity specificity npv ppv causes graph negativepredictivevalue positivepredictivevalue basophilia basophils bmj calculation cardiology chf
Slaying the dragon: how the tobacco industry refuses to die #PatientInformation #PublicHealth #Tobacco #Smoking #Statistics #BMJ
Tobacco #Smoking #Statistics
Important Biostatistics and Epidemiology Equations Sensitivity = TP / (TP + FN) = true positives / disease
Biostatistics #statistics
Sensitivity Calculation - Probability that a test correctly identifies those with the disease (true positive rate) Sensitivity
Biostatistics #statistics
Specificity Calculation - Probability that a test correctly identifies those without the disease (true negative rate) Specificity
Biostatistics #statistics
Positive Predictive Value Calculation - Probability that someone with a positive test actually has the disease Positive
Biostatistics #statistics
Negative Predictive Value Calculation - Probability that someone with a negative test truly does not have
Biostatistics #statistics
Sensitivity is the proportion of truly diseased persons in the screened population who are identified as
NPV #Formulas #Statistics
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 This requires defining some general cutoff values for likelihood ratios. These are admittedly arbitrary, but
#Diagnosis #Statistics
It's eye-opening to realize how many tests with reasonable-appearing sensitivity or specificity will end up being
#Diagnosis #Statistics
An Overview on P-Values "The widespread use of "statistical significance" (generally interpreted as "p <= 0.05") as
widespread use of "statistical ... scientific process"-Am Statistical
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