| 组别 | PCT | D-Dimer | ESR | PA | ||||
| 阳性 | 阴性 | 阳性 | 阴性 | 阳性 | 阴性 | 阳性 | 阴性 | |
| 观察组 | 30/66 (45.5) | 36/66 (54.5) | 68/75 (90.7) | 7/75 (9.3) | 59/62 (95.2) | 3/62 (4.8) | 71/71 (100) | 0/71 (0) |
| 对照组 | 3/64 (4.7) | 61/64 (95.3) | 44/89 (49.4) | 45/89 (50.6) | 38/74 (51.4) | 36/74 (48.6) | 74/85 (87.1) | 11/85 (12.9) |