Univariable | Univariable | Multivariable | Multivariable | ||
Variables | HR (95% CI) | P value | HR (95% CI) | P value | |
Preoperative characteristics | |||||
Age≥70 | 2.78 (0.73-10.52) | 0.133 | 2.17 (0.55-8.59) | 0.27 | |
Male | 1.59 (0.48-5.23) | 0.445 | - | - | |
Obesity, BMI >28 kg/m2 | 0.685 (0.15-3.18) | 0.629 | - | - | |
Choronic kidney disease | 1.29 (0.38-4.42) | 0.683 | - | - | |
DeBakey Ⅰor Ⅲb retrograde | 1.34 (0.35-5.08) | 0.667 | - | - | |
Communicating dissection | 0.98 (0.3-3.23) | 0.979 | - | - | |
Preoperative shock (sBP < 80mmHg) | 0.53 (0.07-4.19) | 0.551 | - | - | |
Cardiac tamponade | 0.89 (0.27-2.91) | 0.843 | - | - | |
Malperfusion | 0.55 (0.07-4.27) | 0.564 | - | - | |
Barthel index | - | > 0.99 | - | - | |
Operative details and complications | |||||
Aortic arch replacement | 0.97 (0.21-4.51) | 0.973 | - | - | |
Pump run time >4hr | 2.04 (0.43-9.59) | 0.369 | - | - | |
Complications | |||||
Stroke | 6.58 (1.35-31.9) | 0.02 | 4.9 (0.92-25.95) | 0.062 | |
Pneumonia | 2.56 (0.65-10.13) | 0.18 | - | - | |
Postoperative hemodialysis | 0.75 (0.1-5.87) | 0.782 | - | - | |
Reexploration for bleeding | 1.72 (0.22-13.43) | 0.606 | - | - | |
Long-term intubation (more than 3 weeks) | 2.49 (0.66-9.45) | 0.183 | - | - | |
Dysphagia | 1.44 (0.44-4.72) | 0.552 | - | - | |
Postoperative physical activities | |||||
Barthel index | 1.00 (0.98-1.02) | 0.845 | - | - | |
Walking difficulty | 16.45 (2.1-128.7) | 0.008 | 12.65 (1.57-101.9) | 0.017 | |
Abbreviations: BMI, body mass index; sBP, systolic blood pressure | Abbreviations: BMI, body mass index; sBP, systolic blood pressure | Abbreviations: BMI, body mass index; sBP, systolic blood pressure | Abbreviations: BMI, body mass index; sBP, systolic blood pressure | Abbreviations: BMI, body mass index; sBP, systolic blood pressure | Abbreviations: BMI, body mass index; sBP, systolic blood pressure |