LR+ Calculator
Compute positive likelihood ratio LR⁺ = sens / (1 − spec).
Input Data
Input Sensitivity sens.
Input Specificity spec.
Results
8
LR⁺ = sens / (1 − spec).
At a glance:LR+ Calculator: enter parameters to compute results; complements related calculators.
Formula
LR⁺ = sens / (1 − spec).
How to Use
- Enter sensitivity and specificity.
- It returns LR+.
Case Studies
sens=0.8, spec=0.9 → LR⁺=8
LR⁺ = 0.8/0.1 = 8 (positive result raises odds ~8×).
FAQ
How large is a good LR+?
LR+ > 10 strongly supports disease; near 1 has no discrimination.
Related Tools
References
Content review: Calculatorism Science Team. Formula and numeric tests verified; results for reference only.