Test characteristics for use of an 'age adjusted d-dimer' assessment, during initial workup to exclude venous thromboembolic disease
| Disease Positive | Disease Negative | ||
|---|---|---|---|
| Test Positive | 66 | 253 | Positive Predictive Value 21% |
| Test Negative | 2 | 176 | Negative Predictive Value 98% |
| Sensitivity 97% | Specificity 41% |
Negative Likelihood Ratio – 0.07.