147 results
Specificity Calculation - Probability that a test correctly identifies those without the disease (true negative rate)

Specificity
Specificity Calculation ... - Probability that ... negative rate) Specificity ... TN / (FP + TN) Specificity ... Biostatistics #statistics
Sensitivity is the proportion of truly diseased persons in the screened population who are identified as
indicates the probability ... a case, or the probability ... Specificity is the ... #Sensitivity #Specificity ... NPV #Formulas #Statistics
â–º
POCUS Stewardship
Right Indication - Right Interpretation -Right Integration
Indication → Pre-test Probability → Spectrum of Disease →
Indication → Pre-test Probability ... → Sensitivity, Specificity ... Step 2: Pre-test Probability ... Sensitivity & Specificity ... sensitivity and specificity
Misinterpretation of the P-value 

P-value - Probability for a given statistical model under the null hypothesis
P-value - Probability ... for a given statistical ... equality of 2 statistical ... not measure the probability ... lower the pretest probability
Important Biostatistics and Epidemiology Equations

Sensitivity = TP / (TP + FN) = true positives / disease
disease present Specificity ... Sensitivity) / Specificity ... Sensitivity vs Specificity ... = Rule OUT - Specificity ... Biostatistics #statistics
Test Characteristics of Physical Exam, Imaging, and LRINEC 
Score for the Identification of Necrotizing Fasciitis (Sensitivity,
(Sensitivity, Specificity ... #Sensitivity #Specifiity
Likelihood Ratios - Probability
Remember 2/5/10 and 15/30/45:
 • LR of 2 increases the probability by 15%
Likelihood Ratios - Probability ... increases the probability ... increases the probability ... of 10 increases probability ... decreases the probability
Heparin Induced Thrombocytopenia (HIT) - 4T Score

The 4T score is useful to establish pre-test probability of
establish pre-test probability ... 3 points: Low probability ... : Intermediate probability ... 8 points: High probability
Draw a connecting your pre-test probability and your likelihood ratio. This provides you with your post-test
your pre-test probability ... your post-test probability
Since these risk factors are numerous and have different effects on the malignancy risk, it is
concerning the probability ... Pulmonary #Fleischner #Probability