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(a) Relationship of CTPA and D-dimer in patients with a low-risk CDR
| Patients with low risk CDR | |||
|---|---|---|---|
| CTPA | |||
| Wells rule (N = 32) | D-dimer | Positive | Negative |
| Positive (N = 9) | 2 | 7 | |
| Negative (N = 23) | 0 | 23 | |
| Geneva score (N = 35) | |||
| Positive (N = 8) | 0 | 8 | |
| Negative (N = 27) | 0 | 27 | |
