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MedCalc

Comparison of AUC of independent ROC curves

Use this calculator to compare the Area under the Curve (AUC) of two independent ROC curves.

 

1st ROC curve
Area under curve (AUC): 
Standard error: 
2nd ROC curve
Area under curve (AUC): 
Standard error: 

Required input

Enter the Area under the Curve (AUC) and Standard Error (SE) for the two ROC curves.

Click the Test button to test the statistical significance of the difference between the two AUCs.

Interpretation

When the calculated P value is less than 0.05 (P<0.05), the conclusion is that the AUCs of the two ROC curves are significantly different.

Note that on MedCalc P-values are always two-sided (or two-tailed).

Methodology

MedCalc uses the method by Hanley & McNeil (1982 & 1983).

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Literature

  • Hanley JA, McNeil BJ (1982) The meaning and use of the area under a receiver operating characteristic (ROC) curve. Radiology, 143, 29-36.
  • Hanley JA, McNeil BJ (1983) A method of comparing the areas under receiver operating characteristic curves derived from the same cases. Radiology, 148, 839-843.

How to cite this page

  • MedCalc Software Ltd. Comparison of AUC of independent ROC curves. https://www.medcalc.org/en/calc/comparison_of_independentROCtest.php (Version 24.0; accessed October 11, 2026)

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See also

Trusted by researchers worldwide — download the full MedCalc statistical software and perform advanced statistical analysis in seconds. No registration required.