Sample size calculator for AUC difference

Sample size calculator for estimating AUC difference

Significance level

Please enter a number greater than 0 and smaller than 1

Assurance probability

Please enter a number greater than 0 and smaller than 1

Value of AUC from reference test

Please enter a number greater than 0 and smaller than 1

Value of AUC from improved test

Please enter a number greater than AUC from the reference test and smaller than 1

Lower bound of confidence limit

Please enter a number greater than 0 and smaller than the 2nd AUC minus the 1st AUC

Correlation between two AUCs

Please enter a number greater than -1 and smaller than 1

Ratio of sample sizes in control/disease groups

Please enter a positive number

Ratio of standard deviations in control/disease groups for reference test

Please enter a positive number

Ratio of standard deviations in control/disease groups for improved test

Please enter a positive number