Univariable | Univariable | Multivariable | Multivariable | ||
Variables | HR (95% CI) | P value | HR (95% CI) | P value | |
Preoperative characteristics | |||||
Age≥70 | 2.76 (0.50-15.13) | 0.243 | 3.62 (0.36-36.44) | 0.275 | |
Male | 2.19 (0.40-12.01) | 0.368 | - | - | |
Obesity, BMI >28 kg/m2 | 1.37 (0.25-7.53) | 0.715 | - | - | |
Choronic kidney disease | - | > 0.99 | - | - | |
DeBakey Ⅰor Ⅲb retrograde | 1.61 (0.29-8.87) | 0.585 | - | - | |
Communicating dissection | 0.25 (0.03-2.17) | 0.21 | - | - | |
Preoperative shock (sBP < 80mmHg) | - | > 0.99 | - | - | |
Cardiac tamponade | 0.37 (0.07-2.02) | 0.25 | - | - | |
Malperfusion | 1.31 (0.15-11.24) | 0.806 | - | - | |
Barthel index | - | > 0.99 | - | - | |
Operative details and complications | |||||
Aortic arch replacement | 0.75 (0.09-6.47) | 0.797 | - | - | |
Pump run time >4hr | 1.3 (0.15-11.36) | 0.815 | - | - | |
Complications | |||||
Stroke | - | > 0.99 | - | - | |
Pneumonia | 3.24 (0.54-19.43) | 0.199 | - | - | |
Postoperative hemodialysis | 2.35 (0.27-20.25) | 0.438 | - | - | |
Reexploration for bleeding | 18.08 (1.61-203.3) | 0.019 | 11.34 (0.6-215) | 0.106 | |
Long-term intubation (more than 3 weeks) | 7.57 (1.37-41.71) | 0.02 | 3.14 (0.26-38.45) | 0.37 | |
Dysphagia | 1.78 (0.36-8.88) | 0.484 | - | - | |
Postoperative physical activities | |||||
Barthel index | 0.99 (0.89-1.1) | 0.817 | - | - | |
Walking difficulty | 28.24 (3.29-242.6) | 0.002 | 15.54 (1.39-174.1) | 0.026 | |
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 |