EBMcalc Medical Calculator

Post-Test Probability from Sensitivity and Specificity of Multiple Test Results

The EBMcalc module Post-Test Probability from Sensitivity and Specificity of Multiple Test Results is available in EBMcalc Complete Edition.

This calculator yields the following results:

Pre Test Odds
Test 1 LR Pos
Test 1 LR Neg
Test 2 LR Pos
Test 2 LR Neg
Test 3 LR Pos
Test 3 LR Neg
Post Test Odds
Post Test Prob

Equation parameters include:

Pre Test Prob
Test 1
Test 1 Sens
Test 1 Spec
Test 2
Test 2 Sens
Test 2 Spec
Test 3
Test 3 Sens
Test 3 Spec

References

Perera R, Heneghan C. Making sense of diagnostic test likelihood ratios. ACP J Club. 2007 Mar-Apr;146(2):A8-9. PubMed ID: 17335149

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