Table 1.
Patient demographic and clinical characteristics (n = 35)
| No. of patients (%) | ||
|---|---|---|
| Characteristic | Acute PE | Subacute/chronic PE |
| Total patients | 26 (74) | 9 (26) |
| Median age (range) | 58 years (23–85 years) | 54 years (27–70 years) |
| Age group | ||
| ≥50 years | 20 (77) | 5 (56) |
| <50 years | 6 (23) | 4 (44) |
| Sex | ||
| Female | 11 (42) | 5 (56) |
| Male | 15 (58) | 4 (44) |
| Race | ||
| White | 17 (65) | 4 (44) |
| Non-white | 9 (35) | 5 (56) |
| Cancer type | ||
| Lymphoma | 8 (31) | 2 (22) |
| Lung | 5 (19) | 1 (11) |
| Leukemia | 3 (12) | 2 (22) |
| Multiple myeloma | 2 (8) | 0 (0) |
| Sarcoma | 2 (8) | 1 (11) |
| Brain and spinal cord | 2 (8) | 0 (0) |
| Breast | 1 (4) | 1 (11) |
| Testicular | 1 (4) | 1 (11) |
| Esophageal | 1 (4) | 0 (0) |
| Colon | 1 (4) | 0 (0) |
| Endometrial | 0 (0) | 1 (11) |
| Cancer stage | ||
| Liquid/hematologic | 13 (50) | 4 (44) |
| IV | 5 (19) | 5 (56) |
| III | 3 (12) | 0 (0) |
| II | 2 (8) | 0 (0) |
| I | 3 (12) | 0 (0) |
| Median D-dimer level (range) | 0.38 μg/mL (0.17–0.49 μg/mL) | 0.33 μg/mL (0.17–0.42 μg/mL) |
| Wells score clinical probability | ||
| Low | 0 (0) | 0 (0) |
| Intermediate | 19 (73) | 8 (89) |
| High | 7 (27) | 1 (11) |
| Simplified revised Geneva score clinical probability | ||
| Low | 2 (8) | 0 (0) |
| Intermediate | 23 (89) | 8 (89) |
| High | 1 (4) | 1 (11) |
| Pulmonary Embolism Rule-out Criteria (PERC) | ||
| Meet all | 0 (0) | 0 (0) |
| Does not meet all | 26 (100) | 9 (100) |
| Highest PE location | ||
| Subsegmental | 9 (35) | 2 (22) |
| Segmental | 10 (38) | 2 (22) |
| Lobar | 5 (19) | 2 (22) |
| Interlobar | 1 (4) | 3 (33) |
| Main | 1 (4) | 0 (0) |
| Laterality | ||
| Right | 17 (65) | 5 (56) |
| Left | 5 (19) | 2 (22) |
| Bilateral | 4 (15) | 2 (22) |
| Count | ||
| Single | 17 (65) | 5 (56) |
| Multiple | 9 (35) | 4 (44) |
| History of VTE | ||
| No | 15 (58) | 0 (0) |
| Yes | 11 (42) | 9 (100) |
| Active treatment with an anticoagulant | ||
| No | 15 (58) | 3 (33) |
| Yes | 11 (42) | 6 (67) |
PE; pulmonary embolism, VTE; venous thromboembolism.