Table 1. Preoperative characteristics of total population.
| Variables | Overall (n=1,133) | Non-rupture (n=1,017) | Rupture (n=116) | P |
|---|---|---|---|---|
| Demographics | ||||
| Male [n (%)] | 853 (75.3) | 762 (74.9) | 91 (78.4) | 0.472 |
| Age [year, mean (SD)] | 49.5 (11.7) | 49.0 (11.5) | 53.7 (12.0) | <0.001 |
| Height [cm, mean (SD)] | 169.90 (9.11) | 169.96 (9.02) | 169.36 (9.84) | 0.5 |
| Weight [kg, mean (SD)] | 75.12 (14.09) | 75.07 (14.66) | 75.53 (7.49) | 0.743 |
| BMI [kg/m2, mean (SD)] | 26.10 (4.91) | 26.03 (4.94) | 26.67 (4.55) | 0.187 |
| Symptoms/signs | ||||
| Syncope [n (%)] | 49 (4.3) | 31 (3.0) | 18 (15.5) | <0.001 |
| Radiating pain [n (%)] | 58 (5.1) | 50 (4.9) | 8 (6.9) | 0.487 |
| Acute thoracic/back pain [n (%)] | 391 (34.5) | 341 (33.5) | 50 (43.1) | 0.051 |
| Hypotension/shock [n (%)] | 163 (14.4) | 142 (14.0) | 21 (18.1) | 0.287 |
| BP >160 mmHg at admission [n (%)] | 145 (12.8) | 126 (12.4) | 19 (16.4) | 0.284 |
| Lower limbs numbness/pain [n (%)] | 43 (3.8) | 24 (2.4) | 19 (16.4) | <0.001 |
| Acute phase [n (%)] | 952 (84.0) | 839 (82.5) | 113 (97.4) | <0.001 |
| Medical history | ||||
| Dyslipidemia [n (%)] | 209 (18.4) | 177 (17.4) | 32 (27.6) | 0.011 |
| CAD [n (%)] | 33 (2.9) | 30 (2.9) | 3 (2.6) | 1 |
| Smoking [n (%)] | 460 (40.6) | 396 (38.9) | 64 (55.2) | 0.001 |
| Hx of cerebral infarction/hemorrhage [n (%)] | 62 (5.5) | 55 (5.4) | 7 (6.0) | 0.948 |
| MFS [n (%)] | 104 (9.2) | 100 (9.8) | 4 (3.4) | 0.037 |
| Diabetes mellitus [n (%)] | 30 (2.6) | 29 (2.9) | 1 (0.9) | 0.337 |
| Hypertension [n (%)] | 815 (71.9) | 763 (75.0) | 90 (77.6) | 0.5445 |
| COPD [n (%)] | 12 (1.1) | 11 (1.1) | 1 (0.9) | 1 |
| Hx of heart surgery [n (%)] | 59 (5.2) | 56 (5.5) | 3 (2.6) | 0.262 |
| Hx of aortic surgery [n (%)] | 46 (4.1) | 44 (4.3) | 2 (1.7) | 0.273 |
| Family history of aortic disease [n (%)] | 24 (2.1) | 20 (2.0) | 4 (3.4) | 0.478 |
| Laboratory test | ||||
| Acute liver dysfunction [n (%)] | 92 (8.1) | 69 (6.8) | 23 (19.8) | <0.001 |
| Acute renal dysfunction [n (%)] | 142 (12.5) | 120 (11.8) | 22 (19.0) | 0.039 |
| WBC >15*109/L [n (%)] | 178 (15.7) | 148 (14.6) | 30 (25.9) | 0.002 |
| Imaging | ||||
| DeBakey I [n (%)] | 875 (77.2) | 773 (76.0) | 102 (87.9) | 0.005 |
| Size [cm, mean (SD)] | 4.79 (1.15) | 4.75 (1.15) | 5.10 (1.08) | 0.002 |
| AHI [mean (SD)] | 2.83 (0.69) | 2.80 (0.69) | 3.02 (0.65) | 0.002 |
| Periaortic hematoma [n (%)] | 123 (10.9) | 83 (8.2) | 40 (34.5) | <0.001 |
| Pulmonary opacification [n (%)] | 87 (7.7) | 78 (7.7) | 9 (7.8) | 1 |
| EF [%, mean (SD)] | 59.65 (5.56) | 59.81 (5.57) | 58.21 (5.30) | 0.003 |
| EF <50% [n (%)] | 105 (9.3) | 87 (8.6) | 18 (15.5) | 0.023 |
| Pleural effusion [n (%)] | 146 (12.9) | 111 (10.9) | 35 (30.2) | <0.001 |
| Brachiocephalic artery involvement [n (%)] | 178 (15.7) | 149 (14.7) | 29 (25.0) | 0.006 |
| Celiac trunk artery involvement [n (%)] | 231 (20.4) | 209 (20.6) | 22 (19.0) | 0.78 |
| Superior mesenteric artery involvement [n (%)] | 132 (11.7) | 119 (11.7) | 13 (11.2) | 0.996 |
| Renal artery involvement [n (%)] | 324 (28.6) | 291 (28.6) | 33 (28.4) | 1 |
| Iliac artery involvement [n (%)] | 156 (13.8) | 137 (13.5) | 19 (16.4) | 0.472 |
| Hemopericardium [n (%)] | 92 (8.1) | 57 (5.6) | 35 (30.2) | <0.001 |
| Aortic insufficiency [n (%)] | 390 (34.4) | 352 (34.6) | 38 (32.8) | 0.768 |
SD, standard deviation; BMI, body mass index; BP, blood pressure; CAD, coronary artery disease; Hx, history; MFS, Marfan syndrome; COPD, chronic obstructive pulmonary disease; WBC, white blood cell count; AHI, aortic height index; EF, ejection fraction.