. Author manuscript; available in PMC: 2014 Apr 8.

Published in final edited form as: Arch Surg. 2012 Mar;147(3):243–249. doi: 10.1001/archsurg.2011.1476

Table 5.

Cox Regression Model on Patient Mortality (Including All Patients)

Predictor	Hazard Ratio (95% CI)	P Value
Group (DTAR vs TEVAR)	3.34 (1.67–6.68)	.001^a
Age	1.04 (1.01–1.06)	.004^a
Sex (female vs male)	0.68 (0.34–1.38)	.29
Prior aortic surgery	0.89 (0.37–2.11)	.79
COPD	0.63 (0.22–1.81)	.39
Hypertension	2.25 (0.79–6.41)	.13
Diabetes mellitus	0.48 (0.14–1.64)	.24
Smoking	0.98 (0.50–1.94)	.95
Intraoperative complication	1.19 (0.52–2.71)	.68

Abbreviations: COPD, chronic obstructive pulmonary disease; DTAR, direct thoracic aortic repair; TEVAR, thoracic endovascular aortic repair.

Significant.