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DOR Calculator

Compute diagnostic odds ratio DOR = LR⁺ / LR⁻ from sensitivity and specificity.

Input Data

Input Sensitivity sens.
Input Specificity spec.

Results

36
DOR = LR⁺ / LR⁻ = [sens/(1−sens)] / [(1−spec)/spec].

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

Formula

DOR = [sens/(1−sens)] / [(1−spec)/spec] = LR⁺ / LR−.

How to Use

  1. Enter sensitivity and specificity.
  2. It returns DOR.

Case Studies

sens=0.8, spec=0.9 → DOR=36

DOR = 4 / 0.1111 ≈ 36.

FAQ

What does DOR mean?

DOR=1 no discrimination; larger means better diagnostic value.

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:DOR Calculator/statistics/diagnostic-odds-ratio)。