Table 2

Injury-related characteristics of the study population by aortic repair type

TEVAR
n=105
(no, %)		Surgical repair
n=22
(no, %)		Hybrid repair
n=49,
(no, %)		Medical management
n=251
(no, %)		All patients
n=427
(no, %)		P value
External cause of injury (no, %)*
Motor vehicle collision80 (76.2)14 (63.6)39 (79.6)182 (72.5)315 (73.8)0.47
Other transport collisions1–5†1–5†1–5†19 (7.6)29 (6.8)0.74
Person struck1–5†1–5†1–5†9 (3.6)15 (3.5)0.99
Fall from height13 (12.4)1–5†1–5†24 (9.6)42 (9.8)0.67
Other1–5†1–5†1–5†18 (7.2)28 (6.6)0.07
Injury Severity Score (median, IQR)34 (29–48)38 (29–45)38 (29–45)29 (20–36)30 (24–41)<0.01
Associated injuries (no, %)*
Skull fracture and/or traumatic brain injury45 (42.9)1–5†14–18†81 (32.3)145 (34.0)0.12
Cervical spine fracture and/or cervical spinal cord injury18 (17.1)1–5†2–6†37 (14.7)62 (14.5)0.46
Severe chest injury18 (17.1)9 (40.9)9 (18.4)24 (9.6)60 (14.1)<0.01
Severe abdominal visceral injury29 (27.6)1–5†13–17†41 (16.3)88 (20.6)0.07
Open fracture of a long bone16 (15.2)1–5†10–14†22 (8.8)53 (12.4)0.02
Grade of aortic injury (no, %)
Grade I: intimal tear37–41†1–5†12–16†88 (35.1)141 (33.0)0.03
Grade II: intramural hematoma14–18†1–5†8–12†10 (4.0)36 (8.4)<0.01
Grade III: contained transection or pseudoaneurysm1–5†1–5†1–5†13 (5.2)23 (5.4)0.06
Grade IV: uncontained transection (rupture)32–36†10 (45.5)11–15†2–6†61 (14.3)<0.01
Thoracic aortic injury not further specified1–5†0 (0.0)1–5†21 (8.4)27 (6.3)0.12

  • *Some patients had more than one mechanism of injury or more than one associated injury coded.

  • †Cells with less than six patients are suppressed to protect patient privacy.

  • TEVAR, thoracic endovascular aortic repair.