Research Article
Age-Adjusted D-Dimer in the Prediction of Pulmonary Embolism: Does a Normal Age-Adjusted D-Dimer Rule Out PE?
(a) Relationship of CTPA and D-dimer in patients with a low-risk CDR |
| | Patients with low risk CDR | |
| | | CTPA | Wells rule ( = 32) | D-dimer | Positive | Negative | | Positive () | 2 | 7 | | Negative () | 0 | 23 | Geneva score ( = 35) | | | | | Positive () | 0 | 8 | | Negative () | 0 | 27 |
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(b) Relationship of CTPA and D-dimer in patients with an intermediate-risk CDR |
| | Patients with intermediate risk CDR | |
| | | CTPA | Wells rule ( = 119) | D-dimer | Positive | Negative | | Positive () | 12 | 39 | | Negative () | 4 | 64 | Geneva score () | | | | | Positive () | 19 | 39 | | Negative () | 4 | 63 |
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