TABLE 6 Univariable and Multivariable Analysis of Late Mortality, in the patients regaining ambulatory autonomy at discharge
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