Factors associated with the performance (diagnostic odds ratio [DOR]) of D-dimer assays for detecting deep venous thrombosis in symptomatic patients*
| Variable | Comparisons | Relative DOR (95% CI) |
|---|---|---|
| *CIs provided by author. | ||
| Assay | Dimertest v VIDAS | 0.08 (0.03 to 0.20) |
| NycoCard v VIDAS | 0.28 (0.09 to 0.90) | |
| Turbiquant v VIDAS | 0.20 (0.08 to 0.52) | |
| Reference standard | Ultrasonography or ultrasonography and venography v venography | 0.37 (0.19 to 0.74) |