TABLE 5 Univariable and Multivariable Analysis of Late Mortality, Excluding Hospital Deaths within 30days
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