High Elevation TAIs n = 47 | Low Elevation TAIs n = 47 | p-value | |
---|---|---|---|
Cause, % (n) | |||
Fall | 9% (4) | 6% (3) | 0.17 |
MCC/MVC | 70% (32) | 72% (34) | |
Sports | 9% (4) | 0% (0) | |
Other | 13% (6) | 21% (10) | |
Area involved, % (n) | |||
Thoracic Aorta | 81% (28) | 83% (39) | 0.79 |
Aortic Root | 2% (1) | 2% (1) | > 0.99 |
Ascending | 11% (5) | 4% (2) | 0.43 |
Proximal | 4% (2) | 2% (1) | > 0.99 |
Mid-Ascending | 4% (2) | 2% (1) | > 0.99 |
Distal | 15% (7) | 6% (3) | 0.18 |
Aortic Arch | 28% (13) | 13% (6) | 0.07 |
Isthmus | 2% (1) | 6% (3) | 0.62 |
Descending | 45% (21) | 60% (28) | 0.15 |
Abdominal | 21% (10) | 9% (4) | 0.08 |
Suprarenal | 2% (1) | 0% (0) | > 0.99 |
Infrarenal | 6% (3) | 2% (1) | 0.62 |
TAI Grade, % (n)a | |||
Grade 1 | 38% (18) | 26% (12) | 0.02 |
Grade 2 | 9% (4) | 13% (6) | |
Grade 3 | 4% (2) | 28% (13) | |
Grade 4 | 28% (13) | 15% (7) | |
Missing grade | 11% (5) | 4% (2) | |
Multiple grades | 11% (5) | 15% (7) | |
Diameter, Median (IQR), mm | 30 (24, 33) | 28 (23, 32) | 0.72 |
Aortic Root | 32 (31, 34) | 27 | N/A |
Ascending | 29 (25, 34) | 30 (28, 32) | 0.72 |
Descending | 22 (22, 24) | 25 (22, 33) | 0.36 |
Abdominal | 25 (24, 25) | c | N/A |
Abnormal Diameter, % Yes (n)b | 90% (27) | 77% (20) | 0.43 |
Mortality, % (n) | 30% (14) | 32% (6) | 0.93 |