Rapid D-dimer testing combined with estimation of clinical probability for excluding a diagnosis of DVT*

D-dimer test resultEstimated clinical probability3 month cumulative incidence of DVT (95% CI)
*DVT  =  deep venous thrombosis; CI defined in glossary.
Normal on the SimpliRED D-dimer testLow0.5% (0.07 to 1.1)
Moderate3.5% (1.4 to 6.9)
High21.4% (8.5 to 38)
Normal on the highly sensitive D-dimer testsLow or moderate0.4% (0.04 to 1.1)
High6.4% (1.7 to 15)