Free statistical calculators

Power estimator for Comparison of two ROC curves

Input
Required alpha level (P):
Observed Area under ROC curve 1:
Observed Area under ROC curve 2:
Correlation in positive group:
Correlation in negative group:
Sample size in positive group:
Sample size in negative group:

MedCalc Software Ltd. Power estimator for Comparison of two ROC curves. https://www.medcalc.org/calc/power-comparison-of-2-roc-curves.php (Version 23.2.6; accessed June 15, 2025)