Table 1. Comparison of Clinical Characteristics of PAIS and PTE.
| Clinical Parameter | PAIS (n = 26) | PTE (n = 52) | P |
|---|---|---|---|
| Mean age ± SD (years, range) | 54 ± 15 (24−80) | 64 ± 14 (33−88) | 0.006 |
| Sex (%) | > 0.999 | ||
| Male | 10 (38.5) | 20 (38.5) | |
| Female | 16 (61.5) | 32 (61.5) | |
| Symptom (%) | N/A | ||
| Dyspnea | 14 (53.8) | 42 (84.0) | |
| Chest pain | 6 (23.1) | 1 (2.0) | |
| Cough | 4 (15.4) | 0 (0.0) | |
| Hemoptysis | 2 (7.7) | 0 (0.0) | |
| None | 0 (0.0) | 7 (14.0) | |
| Duration of symptom (months) | 3.2 ± 3.7 | 6.2 ± 13.0 | 0.001 |
| Deep vein thrombosis (%) | 0 (0.0) | 21 (46.7) | 0.001 |
| Laboratory test | |||
| D-dimer | 0.66 (0.2−7.1) | 5.37 (0.4−35) | < 0.001 |
| CRP | 0.4 (0.1−15) | 1.1 (0.1−18) | 0.264 |
| BNP | 35 (2−281) | 140 (2−1721) | 0.005 |
| High D-dimer (≥ 0.5 ug/mL FEU) (%)* | 13 (61.9) | 47 (97.9) | < 0.001 |
| High CRP (≥ 0.6 mg/dL) (%)* | 8 (38.1) | 31 (63.3) | 0.052 |
| High BNP (≥ 100 pg/mL) (%)* | 5 (26.3) | 27 (60.0) | 0.014 |
*Number of patients who had high level of each laboratory finding. BNP = brain natriuretic peptide, CRP = C-reactive protein, FEU = fibrinogen equivalent units, N/A = not applicable, PAIS = pulmonary artery intimal sarcoma, PTE = pulmonary thromboembolism