Summary of Patient Characteristics
| Patient no. | Age (y) | Symptoms of DVT | PE most or equally likely diagnosis | HR > 100 | Immobilization (≥3 d) or surgery in previous 4 wk | Prior PE or DVT | Hemoptysis | Malignancy | Prior radiotherapy to chest |
| 1 | 61 | N | N | Y | N | N | N | Y | Y |
| 2 | 24 | N | Y | Y | N | N | N | Y | Y |
| 3 | 55 | N | N | Y | N | N | N | Y | N |
| 4 | 41 | N | N | N | N | N | N | Y | N |
| 5 | 62 | Y | Y | Y | Y | Y | N | N | N |
| 6 | 68 | N | N | Y | Y | N | N | Y | N |
| 7 | 57 | N | N | N | N | N | N | Y | N |
| 8 | 26 | N | N | Y | N | N | N | Y | Y |
| 9 | 70 | N | Y | N | N | N | N | Y | Y |
| 10 | 54 | Y | Y | Y | Y | N | N | Y | N |
DVT = deep venous thrombosis; HR = heart rate.