Calculatorism

Youden Index Calculator

Compute Youden's J = sens + spec − 1.

Input Data

Input Sensitivity sens.
Input Specificity spec.

Results

0.7
J = sens + spec − 1.

At a glance:Youden Index Calculator: enter parameters to compute results; complements related calculators.

Formula

J = sens + spec − 1.

How to Use

  1. Enter sensitivity and specificity.
  2. It returns Youden's J.

Case Studies

sens=0.8, spec=0.9 → J=0.7

J = 0.8 + 0.9 − 1 = 0.7.

FAQ

What does J mean?

J=1 perfect test; J=0 no better than chance.

Related Tools

References

Content review: Calculatorism Science Team. Formula and numeric tests verified; results for reference only.

Found a problem with the results?

If this calculator's result is wrong, or you have any question about the calculation logic, please let us know. You are viewing:Youden Index Calculator（/statistics/youden-j）。