Table 3.
Postoperative outcomes by survival status and by group.
| Variable | Alive (n = 129) | Dead (n = 35) | p-value | Group A 0–4 h (n = 104) |
Group B 4.1–8 h (n = 28) |
Group C 8.1–12 h (n = 6) |
Group D 12.1 + hours (n = 26) |
p-value |
|---|---|---|---|---|---|---|---|---|
| Overall mortality | – | – | 21 (20.2) | 7 (25.0) | 4 (66.7) | 3 (11.5) | 0.040 | |
| 30-day mortality | – | – | 17 (16.4) | 7 (25.0) | 3 (50.0) | 3 (11.5) | 0.121 | |
| Length of staya, days | 13.4 ± 9.7 | 5.4 ± 5.9 | < 0.00001 | 11.2 ± 9.1 | 9.3 ± 7.2 | 11.3 ± 18.2 | 16.4 ± 10.3 | 0.0042 |
| Permanent stroke | 17 (13.2) | 6 (17.1) | 0.576 | 16 (15.5) | 1 (3.6) | 0 | 6 (23.1) | 0.162 |
| Paralysis | 3 (2.3) | 3 (8.6) | 0.112 | 5 (4.8) | 0 | 0 | 1 (3.9) | 0.760 |
| Renal failure | 11 (8.5) | 11 (31.4) | 0.001 | 14 (13.5) | 4 (14.3) | 2 (33.3) | 2 (7.7) | 0.275 |
| Dialysis required | 8 (6.2) | 12 (34.3) | < 0.00001 | 11 (10.6) | 4 (14.3) | 2 (33.3) | 3 (11.5) | 0.340 |
| Ventilator timea, hours | 49.2 ± 73.0 | 69.1 ± 82.8 | 0.1653 | 52.8 ± 59.5 | 38.2 ± 41.5 | 139.9 ± 284.4 | 52.6 ± 40.6 | 0.6073 |
| Reintubation | 19 (14.7) | 6 (17.1) | 0.789 | 16 (15.5) | 2 (7.4) | 1 (16.7) | 6 (23.1) | 0.385 |
| ICU time, hours | 103.3 (97.1) | 70.5 (33.5) | 0.0548 | 102.2 (104.0) | 88.8 (54.4) | 113.5 (79.4) | 77.8 (40.7) | 0.9064 |
| Pneumonia | 30 (23.3) | 2 (5.7) | 0.028 | 28 (26.9) | 1 (3.6) | 0 | 3 (11.5) | 0.013 |
| Re-operation for bleed | 4 (3.1) | 6 (17.1) | 0.007 | 5 (4.8) | 2 (7.4) | 0 | 3 (11.5) | 0.555 |
| 30-day re-admission | 50 (38.8) | 4 (11.4) | 0.002 | 38 (36.5) | 6 (21.4) | 1 (16.7) | 9 (34.6) | 0.445 |
| Re-do aortic surgeryb | 27 (20.9) | 2 (5.7) | 0.044 | 20 (19.2) | 4 (14.3) | 1 (16.7) | 4 (15.4) | 0.945 |
Values are expressed as number (%) unless otherwise indicated. a, mean ± standard deviation; ICU, intensive care unit. b, indicates need for re-do aortic surgery at any point during the follow-up period.