Table 2.
Clinical baseline characteristics of the patients before and after.
| Characteristics | Before matching |
After matching |
||||
|---|---|---|---|---|---|---|
| Immediate TEVAR (n = 32) | Elective TEVAR (n = 78) | p value | Immediate TEVAR (n = 32) | Elective TEVAR (n = 30) | p value | |
| Age (year), median (Q1, Q3) | 51 (44.0, 62.3) | 53 (35.3, 61.8) | 0.880 | 51 (44.0, 62.3) | 57 (36.0, 63.8) | 0.672 |
| Male, n (%) | 24 (75.0) | 68 (87.2) | 0.117 | 24 (75.0) | 25 (83.3) | 0.421 |
| Comorbidities, n (%) | ||||||
| Hypertension | 11 (34.4) | 29 (37.2) | 0.781 | 11 (34.4) | 10 (33.3) | 0.931 |
| CHD | 1 (3.0) | 3 (3.8) | 0.631 | 1 (3.1) | 3 (10.0) | 0.559 |
| Diabetes mellitus | 4 (12.5) | 5 (6.4) | 0.499 | 4 (12.5) | 3 (10.0) | 1.000 |
| Smoking | 14 (43.8) | 42 (53.8) | 0.336 | 14 (43.8) | 12 (40.0) | 0.765 |
| Cause of injury, n (%) | 0.511 | 0.508 | ||||
| Vehicle collision | 26 (81.3) | 55 (70.5) | 26 (81.3) | 25 (83.3) | ||
| Fall from heights | 6 (12.8) | 19 (24.4) | 6 (12.8) | 4 (13.3) | ||
| Crush injury | 0 (0) | 2 (2.6) | 0 (0) | 1 (3.3) | ||
| Injury caused by heavy objects | 0 (0) | 2 (2.6) | 0 (0) | 0 (0) | ||
| Severe concomitant Injuries, n (%) | ||||||
| Head injury | 12 (37.5) | 25 (32.1) | 0.583 | 12 (37.5) | 13 (43.3) | 0.640 |
| Chest injury | 23 (71.9) | 52 (66.7) | 0.594 | 23 (71.9) | 22 (73.3) | 0.898 |
| Abdominal injury | 10 (31.3) | 27 (34.6) | 1.000 | 10 (31.3) | 9 (30.0) | 0.915 |
| Pelvic injury | 8 (25.0) | 20 (25.6) | 0.677 | 8 (25.0) | 8 (26.7) | 0.881 |
| ISS, median (Q1, Q3) | 26 (23.3, 33.0) | 26 (21.0, 33.8) | 0.870 | 26 (23.3, 33.0) | 26 (21.0, 33.0) | 0.659 |
| GCS, median (Q1, Q3) | 13.5 (9.0, 15.0) | 15 (12.0, 15.0) | 0.039 | 13.5 (9.0, 15.0) | 15 (12.0, 15.0) | 0.346 |
| Shock, n (%) | 3 (9.4) | 8 (10.3) | 1.000 | 3 (9.4) | 4 (13.3) | 0.928 |
| SBP, mean ± SD | 130.2 ± 24.0 | 133.7 ± 28.4 | 0.534 | 130.2 ± 23.0 | 132.3 ± 31.3 | 0.759 |
| Heart rate, median (Q1, Q3)/mean ± SD | 91 (80.0, 100.5) | 86.5 (78.0, 100.8) | 0.437 | 92.7 ± 18.2 | 92.9 ± 21.1 | 0.966 |
| Creatinine, median (Q1, Q3) | 90.5 (63.8, 144.0) | 71.5 (58.3, 80.8) | 0.012 | 83.5 (61.0, 121.0) | 72.5 (62.8, 102.8) | 0.683 |
| Hemoglobin (g/L), mean ± SD/median (Q1, Q3) | 109.6 ± 27.1 | 108.5 ± 25.2 | 0.840 | 112 (95.8, 125.5) | 110 (94.3, 122.5) | 0.683 |
| Prehospital time (h), median (Q1, Q3) | 5 (3.0, 5.0) | 5 (3.3, 6.8) | 0.370 | 5 (4.0, 5.0) | 5 (4.0, 6.3) | 0.970 |
| Location of aortic injury, n (%) | 0.949 | 0.979 | ||||
| Aortic isthmus | 27 (84.4) | 65 (83.3) | 27 (84.4) | 25 (83.3) | ||
| Descending aorta | 5 (3.1) | 13 (16.7) | 5 (3.1) | 5 (16.7) | ||
| SVS grading, n (%) | 0.436 | 1.000 | ||||
| Grade II | 15 (46.9) | 47 (60.3) | 14 (43.8) | 14 (46.6) | ||
| Grade III | 16 (50.0) | 29 (37.2) | 17 (48.6) | 16 (53.3) | ||
| Grade IV | 1 (3.1) | 2 (2.6) | 1 (3.1) | 0 (0) | ||
TEVAR: thoracic endovascular aortic repair; CHD: coronary heart disease; ISS: injury severity score; GCS: Glasgow coma scale; SD: standard deviation SBP: systolic blood pressure; SVS: Society for Vascular Surgery.