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Table 2 Perioperative and postoperative data

From: Plasma interleukin-6 is a potential predictive biomarker for postoperative delirium among acute type a aortic dissection patients treated with open surgical repair

Variables All patients
(n = 221)
POD patients
(n = 31)
Non-POD patients
(n = 190)
P values
Aortic root procedure
1. Sinus repair 118 (53.39%) 14 (45.16%) 104 (54.74%) 0.322
2. Bentall procedure 47 (21.27%) 5 (16.13%) 42 (22.11%) 0.451
3. Aortic valve replacement 2 (0.90%) 1 (3.03%) 1 (0.53%) 0.261
4. David procedure 2 (0.90%) 0 (0%) 2 (1.05%) 1.00
5. CABG 9 (4.07%) 0 (0%) 9 (4.74%) 1.000
Surgery time (minutes) 303.59 ± 66.01 307.10 ± 60.13 303.00 ± 67.07 0.750
CPB time (minutes) 145.42 ± 41.14 147.58 ± 53.19 145.06 ± 38.94 0.753
Aortic cross clamp time (minutes) 48.00 ± 22.48 49.19 ± 30.68 47.80 ± 20.90 0.749
MHCA+ SCP time (minutes) 11.82 ± 4.26 12.06 ± 4.17 11.78 ± 4.28 0.731
Lowest rectal temperature (°C) 22.86 ± 0.86 22.94 ± 0.70 22.85 ± 0.88 0.600
RBC transfusion (u) 4.96 ± 1.15 5.29 ± 1.47 4.91 ± 1.09 0.175
ICU stay time (d) 4.97 ± 3.00 5.21 ± 2.81 4.94 ± 3.03 0.681
Ventilation support time (h) 55.00 (31.00, 108.50) 70.00 (41.00, 159.00) 48.50 (30.13, 99.25) 0.033*
Length of hospital stay (d) 19.81 ± 9.81 25.23 ± 13.12 18.90 ± 8.87 0.014*
DNR during hospital stay (%) 13 (5.89%) 3 (9.68%) 10 (5.26) 0.401
Mortality in hospital (%) 6 (2.70%) 2 (6.50%) 4 (2.10%) 0.199
  1. CABG coronary artery bypass grafting, CPB cardiopulmonary bypass, MHCA moderate hypothermic circulatory arrest, SCP selective cerebral perfusion, RBC red blood cell, ICU intensive care unit, DNR delayed neurocognitive recovery. * P < 0.05