Table 4

Bayesian analysis of d-dimer results

+ d-dimer post-testd-dimer post-test
Pretest probability of DVT (Wells)Pretest oddsOddsProbabilityOddsProbability
Low—3.0%1:32.31:12.87.2%1:65.91.5%
Mod—16.6%1:5.01:2.033.3%1:10.28.9%
High—74.6%2.9:17.3:188.0%1.4:158.3%