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Different D‐Dimer Cut‐off Points in VTD
| D‐dimer Value | Sensitivity | Specificity | PPV | NPV | LR+ | LR‐ | |
|---|---|---|---|---|---|---|---|
| VTD | 2036 | 100% | 49.5% | 39% | 100% | 1.92 | 0 |
| 4060 | 96% | 68.9% | 50% | 98% | 3 | 0.06 | |
| 6080 | 96% | 79.7% | 62% | 98% | 4.8 | 0.05 | |
| Isolated DVT | 2036 | 100% | 33.0% | 12% | 100% | 1.47 | 0 |
| 6080 | 88% | 71% | 23% | 98% | 3.03 | 0.17 | |
| 7506 | 87.5% | 67.0% | 19% | 98% | 2.67 | 0.18 | |
| Isolated PE | 6080 | 100% | 67.7% | 23% | 100% | 3.03 | 0 |
| DVT and PE | 12,850 | 100% | 83.5% | 35% | 100% | 6.25 | 0 |
Note: Significance of bold values explained in the text.
