Research Article
Age-Adjusted D-Dimer in the Prediction of Pulmonary Embolism: Does a Normal Age-Adjusted D-Dimer Rule Out PE?
Table 4
Distribution of CTPA and D-dimer results by Wells rule and Geneva score.
| | CDR | Study population | CTPA | D-dimer | | | | Patients (=) | Pos (%) | Neg (%) | | Pos (%) | Neg (%) |
| | Low risk | Wells rule (<2) | 176 | 10 (5.6%) | 166 (94.4%) | 32 | 9 (28.1%) | 23 (71.9%) | | | Geneva score (<4) | 158 | 9 (5.6%) | 149 (94.4%) | 35 | 8 (22.9%) | 27 (77.1%) | | Intermediate risk | Wells rule (2–6) | 502 | 53 (10.3%) | 449 (89.7%) | 119 | 51 (42.9) | 68 (57.1%) | | | Geneva score (4–10) | 683 | 95 (13.9%) | 588 (86.1%) | 119 | 37 (31.1%) | 82 (68.9%) | | High risk | Wells rule (>6) | 216 | 56 (30.0%) | 160 (70.0%) | 22 | 14 (63.6%) | 8 (36.4%) | | | Geneva score (>10) | 53 | 22 (41.3%) | 31 (58.7%) | 19 | 12 (63.2%) | 7 (36.8%) |
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