Table 3.
Outcomes
| Parameter | Total (N = 243) | Zone 0 (N = 69) | Zone 1 (N = 18) | Zone 2 (N = 145) | Zone 3 (N = 11) | P value |
|---|---|---|---|---|---|---|
| Postoperative ventilation, h, median (IQR) | 24.0 (14.0-86.0) | 22.0 (12.5-45.5) | 21.5 (14.3-139.3) | 23.5 (15.0-69.5) | 54.0 (24.8-113.5) | .252 |
| ICU stay, d, mean ± SD | 6.7 ± 6.1 | 6.5 ± 6.1 | 7.5 ± 6.9 | 6.6 ± 6.0 | 7.6 ± 6.9 | .820 |
| Hospital stay, d, mean ± SD | 16.8 ± 11.8 | 15.0 ± 10.5 | 18.4 ± 11.2 | 16.7 ± 9.3 | 26.7 ± 32.0 | .182 |
| Rethoracotomy, n (%) | 24 (9.9) | 5 (7.2) | 3 (16.7) | 13 (9.0) | 3 (27.3) | .115 |
| In-hospital mortality, n (%) | 25 (10.3) | 7 (10.1) | 3 (16.7) | 12 (8.3) | 3 (27.3) | .135 |
| Tracheotomy, n (%) | 29 (11.9) | 7 (10.1) | 3 (16.7) | 16 (11.0) | 3 (27.3) | .296 |
| Distal reintervention (TEVAR), n (%) | 43 (17.7) | 12 (17.4) | 5 (27.8) | 24 (16.6) | 2 (18.3) | .655 |
| Dialysis, n (%) | 51 (21.0) | 9 (13.0) | 6 (33.3) | 29 (20.0) | 7 (63.6) | .002 |
| New neurologic deficit, n (%) | 22 (9.1) | 6 (8.7) | 3 (16.7) | 13 (9.0) | 0 (0.0) | .545 |
| Stroke, n (%)∗ | 18 (81.8) | 5 (83.3) | 3 (100.0) | 10 (76.9) | 0 (0.0) | 1.000 |
| Spinal cord injury, n (%)∗ | 5 (22.7) | 0 (0.0) | 1 (33.3) | 4 (30.8) | 0 (0.0) | .345 |
| Long-term survival, % (95% CI) | .438 | |||||
| 1 y | 83.1 (77.6-87.4) | 86.5 (75.6-92.7) | 75.0 (45.2-90.1) | 83.4 (76.0-88.6) | 71.6 (35.0-89.9) | |
| 2 y | 78.9 (72.8-83.9) | 79.4 (65.9-88.0) | 75.0 (45.2-90.1) | 80.8 (73.0-86.5) | 47.7 (8.6-80.0) | |
| 3 y | 78.9 (72.8-83.9) | 79.4 (65.9-88.0) | 75.0 (45.2-90.1) | 80.8 (73.0-86.5) | 47.7 (8.6-80.0) | |
| 4 y | 78.0 (71.6-83.1) | 79.4 (65.9-88.0) | 75.0 (45.2-90.1) | 79.7 (71.6-85.7) | 47.7 (8.6-80.0) | |
| 5 y | 75.2 (67.7-81.2) | N/A | 75.0 (45.2-90.1) | 76.7 (67.7-83.5) | 47.7 (8.6-80.0) | |
| 6 y | 72.7 (63.6-79.9) | N/A | 75.0 (45.2-90.1) | 73.9 (63.4-81.9) | N/A |
Bold type indicates statistical significance. IQR, Interquartile range; ICU, intensive care unit; TEVAR, thoracic endovascular aortic repair; N/A, not applicable.
∗
Only including patients with new neurologic deficits (n = 22).