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. Author manuscript; available in PMC: 2015 Feb 20.
Published in final edited form as: J Vasc Surg. 2014 Jun 25;60(5):1196–1203. doi: 10.1016/j.jvs.2014.05.029

Table III.

Operative characteristics

Variable Overall
(N = 380)
No workup
(n = 28)
ECG only
(n = 127)
TTE
(n = 208)
Stress test
(n = 12)
Coronary
angiography (n = 5)
P value
Nonelective procedure status 148 (38.9) 24 (85.7) 54 (42.5) 66 (31.7) 3 (25) 1 (20) <.001
Procedure performed .005
  Isolated descending 288 (75.8) 26 (92.9) 107 (84.3) 145 (69.7) 7 (58.3) 3 (60)
  Hybrid TAAA 65 (17.1) 1 (3.6) 16 (12.6) 42 (20.2) 5 (41.7) 1 (20)
  Hybrid arch 27 (7.1) 1 (3.6) 4 (3.1) 21 (10.1) 0 (0) 1 (20)
Aortic disease <.001
  Aneurysm 230 (60.5) 7 (25) 75 (59.1) 131 (63) 12 (100) 5 (100)
  Acute dissection 54 (14.2) 6 (21.4) 20 (15.7) 28 (13.5) 0 (0) 0 (0)
  Chronic dissection 73 (19.2) 2 (7.1) 24 (18.9) 47 (22.6) 0 (0) 0 (0)
  Traumatic transection 23 (6.1) 13 (46.4) 8 (6.3) 2 (1) 0 (0) 0 (0)
ASA class <.001
  2 3 (0.8) 0 (0) 1 (0.8) 1 (0.5) 0 (0) 1 (20)
  3 226 (59.5) 7 (25) 66 (52) 146 (70.2) 6 (50) 1 (20)
  4 151 (39.7) 21 (75) 60 (47.2) 61 (29.3) 6 (50) 3 (60)
Number of endografts implanted 2 (1–2) 1 (1–2) 1 (1–2) 2 (1–2) 2 (1–2) 2 (2-2) .202
Maximal aortic diameter 5.8 (4.8–6.6) 5 (4–7) 6 (4–6) 6 (5–7) 6 (5–6) 7 (7-7) .056
Concomitant procedure 156 (41.1) 8 (28.6) 45 (35.4) 94 (45.2) 6 (50) 3 (60) .181

ASA, American Society of Anesthesiologists; ECG, electrocardiography; TAAA, thoracoabdominal aortic aneurysm; TTE, transthoracic echocardiography.

Values are expressed as median (interquartile range) or number (%).