Risk Difference Calculator
Calculates the absolute difference in risks between two groups. The worked condition keeps the inputs and convention visible for checking.
Set the labeled inputs
Risk Difference
What changes when an input moves before reporting for risk difference
Calculates the absolute difference in risks between two groups. The named quantity is risk difference calculator. This is section 1 of the risk difference discussion.
Save the inputs, formula convention, units, exclusions, and unrounded output with this result. This statement is conditional on the risk difference setup and section 1.
For risk difference, 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.
Evidence beside the calculation under the stated model for risk difference
The sign depends on which group is listed first and the time interval used. The named quantity is risk difference calculator. This is section 2 of the risk difference discussion.
Risks .20 and .12 give a risk difference of .08. This statement is conditional on the risk difference setup and section 2.
For risk difference, 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 note on convention when the sample changes for risk difference
The sign depends on which group is listed first and the time interval used. The named quantity is risk difference calculator. This is section 3 of the risk difference discussion.
Save the inputs, formula convention, units, exclusions, and unrounded output with this result. This statement is conditional on the risk difference setup and section 3.
For risk difference, 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.
A second look at the condition during an independent review for risk difference
Calculates the absolute difference in risks between two groups. The named quantity is risk difference calculator. This is section 4 of the risk difference discussion.
Risks .20 and .12 give a risk difference of .08. This statement is conditional on the risk difference setup and section 4.
For risk difference, 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 relative risk.
Reading the planned inputs at the chosen parameters for risk difference
The sign depends on which group is listed first and the time interval used. The named quantity is risk difference calculator. This is section 5 of the risk difference discussion.
Save the inputs, formula convention, units, exclusions, and unrounded output with this result. This statement is conditional on the risk difference setup and section 5.
For risk difference, 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.
Where the method applies before comparing methods for risk difference
The sign depends on which group is listed first and the time interval used. The named quantity is risk difference calculator. This is section 6 of the risk difference discussion.
Risks .20 and .12 give a risk difference of .08. This statement is conditional on the risk difference setup and section 6.
For risk difference, 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
Before reporting, does this result establish a causal relationship for risk difference?
Keep the inputs, units, method, exclusions, and unrounded output together. The reported quantity here is risk difference calculator.
When inputs change, what belongs in the saved record for risk difference?
Keep the inputs, units, method, exclusions, and unrounded output together. The reported quantity here is risk difference calculator.
For the worked condition, what should be checked before reusing this result for risk difference?
Keep the inputs, units, method, exclusions, and unrounded output together. The reported quantity here is risk difference calculator.
When software results differ, why might another program return a different number for risk difference?
Keep the inputs, units, method, exclusions, and unrounded output together. The reported quantity here is risk difference calculator.
Before reporting, when should the calculation be repeated for risk difference?
Keep the inputs, units, method, exclusions, and unrounded output together. The reported quantity here is risk difference calculator.