Cut-off value of D-dimer (μg/mL) | ≤0.5 | ≤1.0 | ≤2.0 | ≤2.5 | ≤5.0 | ≤10.0 | ≤20.0 |
---|---|---|---|---|---|---|---|
Sensitivity (%) | 3.3 | 17.0 | 31.1 | 35.8 | 54.2 | 71.7 | 86.8 |
Specificity (%) | 100.0 | 100.0 | 100.0 | 100.0 | 93.0 | 83.1 | 66.2 |
Positive predictive value (%) | 100.0 | 100.0 | 100.0 | 100.0 | 95.1 | 92.7 | 88.5 |
Negative predictive value (%) | 25.7 | 29.0 | 33.0 | 34.3 | 41.1 | 50.0 | 63.2 |
Number of patients with D-dimer ≤ cut-off value, n | 7 | 36 | 66 | 76 | 120 | 164 | 207 |
Proportion of patients with D-dimer ≤ cut-off value, % | 2.5 | 12.7 | 23.3 | 26.9 | 42.4 | 58.0 | 73.1 |