Table 2 The results of CT examinations
Type A (n = 61) | Type B (n = 104) | Pvalue | |
|---|---|---|---|
Initial computed tomography | |||
Maximal ascending aortic diameter, mm | 47.8 ± 8.2 | 42.1 ± 5.7 | < 0.001 |
Maximal descending aortic diameter, mm | 37.7 ± 7.4 | 40.0 ± 8.1 | 0.084 |
Maximal ascending hematoma thickness, mm | 10.8 ± 6.8 | - | < 0.001 |
Maximal descending hematoma thickness, mm | 9.9 ± 5.0 | 11.6 ± 5.1 | 0.042 |
Pleural effusion | 14 (23.0%) | 22 (21.4%) | 0.812 |
Pericardial effusion | 20 (32.8%) | 4 (3.9%) | < 0.001 |
In-hospital follow up CT | |||
Follow-up CT duration, days | 10 ± 7 | 9 ± 7 | 0.483 |
Follow-up CT study | 47 (77.0%) | 84 (80.8%) | 0.568 |
Decreased hematoma | 28 (59.6%) | 34 (41.0%) | 0.041 |
Increased hematoma | 3 (6.4%) | 7 (8.4%) | 0.480 |
Progression to aortic dissection | 6 (12.8%) | 3 (3.6%) | 0.069 |
No change* | 16 (34.0%) | 42 (50.0%) | 0.068 |
Outpatient Department follow up CT | |||
Follow-up CT duration, days | 452 ± 724 | 318 ± 453 | 0.267 |
Follow-up CT study | 38 (62.3%) | 58 (55.8%) | 0.412 |
Decreased hematoma | 29 (78.4%) | 48 (82.8%) | 0.401 |
Increased hematoma | 3 (7.9%) | 4 (6.9%) | 1.000 |
Progression to aortic dissection | 5 (13.2%) | 5 (8.6%) | 0.510 |
No change* | 6 (15.8%) | 6 (10.3%) | 0.430 |