Positive Likelihood Ratio Calculator
Calculates the positive likelihood ratio for a diagnostic result. The worked condition keeps the inputs and convention visible for checking.
Set the labeled inputs
Positive Likelihood Ratio
A controlled alternative when the sample changes for positive likelihood ratio
Calculates the positive likelihood ratio for a diagnostic result. The named quantity is positive likelihood ratio calculator. This is section 1 of the positive likelihood ratio discussion.
Save the inputs, formula convention, units, exclusions, and unrounded output with this result. This statement is conditional on the positive likelihood ratio setup and section 1.
For positive likelihood ratio, preserve the source definition, the stated units, and the named convention beside the displayed number. A second analyst should be able to reconstruct the same result without guessing which population or setup was intended.
What the result can support during an independent review for positive likelihood ratio
Likelihood ratios update odds; they are not probabilities of disease by themselves. The named quantity is positive likelihood ratio calculator. This is section 2 of the positive likelihood ratio discussion.
Sensitivity .80 and specificity .90 give a positive likelihood ratio of 8. This statement is conditional on the positive likelihood ratio setup and section 2.
For positive likelihood ratio, preserve the denominator choice, the stated units, and the named convention beside the displayed number. A second analyst should be able to reconstruct the same result without guessing which population or setup was intended.
A check on the stated parameter at the chosen parameters for positive likelihood ratio
Likelihood ratios update odds; they are not probabilities of disease by themselves. The named quantity is positive likelihood ratio calculator. This is section 3 of the positive likelihood ratio discussion.
Save the inputs, formula convention, units, exclusions, and unrounded output with this result. This statement is conditional on the positive likelihood ratio setup and section 3.
For positive likelihood ratio, preserve the comparison group, the stated units, and the named convention beside the displayed number. A second analyst should be able to reconstruct the same result without guessing which population or setup was intended.
What changes when an input moves before comparing methods for positive likelihood ratio
Calculates the positive likelihood ratio for a diagnostic result. The named quantity is positive likelihood ratio calculator. This is section 4 of the positive likelihood ratio discussion.
Sensitivity .80 and specificity .90 give a positive likelihood ratio of 8. This statement is conditional on the positive likelihood ratio setup and section 4.
For positive likelihood ratio, preserve the time boundary, the stated units, and the named convention beside the displayed number. A second analyst should be able to reconstruct the same result without guessing which population or setup was intended.
A related calculation is negative likelihood ratio.
Evidence beside the calculation when the result is reused for positive likelihood ratio
Likelihood ratios update odds; they are not probabilities of disease by themselves. The named quantity is positive likelihood ratio calculator. This is section 5 of the positive likelihood ratio discussion.
Save the inputs, formula convention, units, exclusions, and unrounded output with this result. This statement is conditional on the positive likelihood ratio setup and section 5.
For positive likelihood ratio, preserve the design boundary, the stated units, and the named convention beside the displayed number. A second analyst should be able to reconstruct the same result without guessing which population or setup was intended.
A note on convention in the worked condition for positive likelihood ratio
Likelihood ratios update odds; they are not probabilities of disease by themselves. The named quantity is positive likelihood ratio calculator. This is section 6 of the positive likelihood ratio discussion.
Sensitivity .80 and specificity .90 give a positive likelihood ratio of 8. This statement is conditional on the positive likelihood ratio setup and section 6.
For positive likelihood ratio, preserve the rounding rule, the stated units, and the named convention beside the displayed number. A second analyst should be able to reconstruct the same result without guessing which population or setup was intended.
Questions about this calculation
When inputs change, what belongs in the saved record for positive likelihood ratio?
Keep the inputs, units, method, exclusions, and unrounded output together. The reported quantity here is positive likelihood ratio calculator.
For the worked condition, what should be checked before reusing this result for positive likelihood ratio?
Keep the inputs, units, method, exclusions, and unrounded output together. The reported quantity here is positive likelihood ratio calculator.
When software results differ, why might another program return a different number for positive likelihood ratio?
Keep the inputs, units, method, exclusions, and unrounded output together. The reported quantity here is positive likelihood ratio calculator.
Before reporting, when should the calculation be repeated for positive likelihood ratio?
Keep the inputs, units, method, exclusions, and unrounded output together. The reported quantity here is positive likelihood ratio calculator.