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Table 3 Comparison of postoperative variables

From: Risk factors for 30-day mortality in patients who received DeBakey type I aortic dissection repair surgery

Variables Total
(n = 830)
Survivors
(n = 733)
Non-survivors
(n = 97)
P valuea
Drainage volume 24 h after surgery (ml) 747.9 ± 672.3 708.4 ± 601.2 1170.9 ± 1115.1  < 0.001
Post-operative transfusion volume (ml) 582.6 ± 510.4 531.7 ± 484.9 922.5 ± 871.0  < 0.001
Re-exploration for bleeding (%) 32 (3.9) 28 (3.8) 4 (4.1) 0.782
Dialysis (%) 144 (17.3) 87 (11.9) 57 (58.8)  < 0.001
AKI (%) 445 (53.6) 370 (50.5) 75 (77.3)  < 0.001
Ventilation time (hour) 17.0 (11.5, 43.0) 16.5 (11.2, 42.0) 34.0 (20.1, 117.8)  < 0.001
Stroke (%) 74 (8.9) 60 (8.2) 14 (14.4) 0.042
Paraplegia (%) 29 (3.5) 26 (3.5) 3 (3.1) 1.000
Tracheostomy (%) 39 (4.7) 30 (4.1) 9 (9.3) 0.037
Deep sternal wound infection (%) 14 (1.7) 9 (1.2) 5 (5.2) 0.017
ICU stay time (day) 7.1 ± 10.8 7.0 ± 11.2 7.5 ± 6.1 0.507
Hospital stay time (day) 21.8 ± 12.2 23.3 ± 11.8 10.1 ± 8.3  < 0.001
  1. Data presented as n (%), median (IQR), or mean ± standard deviation
  2. AKI, acute kidney injury; ICU, intensive care unit
  3. Bold values indicate significance at P < 0.05
  4. aP values indicate differences between survivors and deceased patients