Table 2

Age- and sex-specific cutoff levels for the different D-dimer assays adopted in the study

Commercial D-dimer assay (manufacturer) ng/mLMales ≤70 yMales >70 yFemales ≤70 yFemales >70 yCutoff values currently recommended by manufacturers for VTE exclusion
VIDAS D-dimer Exclusion (bio-Merrieux) 490 1050 600 1300 500 
Innovance D-DIMER (Siemens) 500 950 550 1150 500 
HemosIL D-dimer HS (Instrumentation Laboratory) 170 345 215 430 230 
HemosIL D-dimer (Instrumentation Laboratory) 205 300 225 330 230 
STA Liatest D-dimer (Diagnostica Stago) 340 700 450 1050 500 
Commercial D-dimer assay (manufacturer) ng/mLMales ≤70 yMales >70 yFemales ≤70 yFemales >70 yCutoff values currently recommended by manufacturers for VTE exclusion
VIDAS D-dimer Exclusion (bio-Merrieux) 490 1050 600 1300 500 
Innovance D-DIMER (Siemens) 500 950 550 1150 500 
HemosIL D-dimer HS (Instrumentation Laboratory) 170 345 215 430 230 
HemosIL D-dimer (Instrumentation Laboratory) 205 300 225 330 230 
STA Liatest D-dimer (Diagnostica Stago) 340 700 450 1050 500 

For comparison, the cutoff values recommended by manufacturers for VTE exclusion are also shown.