Table 1 Characteristics of delirium patients and non-delirium patients
Variables | Delirium (n = 103) | Non-delirium (n = 154) | P |
|---|---|---|---|
Demographic information | |||
Age, mean (SD), years | 53.3 ± 10.5 | 51.1 ± 12.8 | 0.145 |
BMI, median IQR, kg/m2 | 25.4 (23.5, 27.7) | 24.0 (22.2, 26.7) | 0.014 |
Male, n (%) | 81 (78.6) | 113 (73.4) | 0.336 |
Smoker, n (%) | 41 (39.8) | 60 (39.0) | 0.892 |
Drinker, n (%) | 41 (39.8) | 56 (36.4) | 0.577 |
High school and above, n (%) | 20 (19.4) | 36 (23.4) | 0.374 |
Married, n (%) | 100 (97.1) | 152 (98.7) | 0.648 |
Hypertension, n (%) | 83 (80.6) | 112 (72.7) | 0.149 |
History of cardiac surgery, n (%) | 7 (6.8) | 2 (1.3) | 0.019 |
Preoperative data | |||
First admission blood glucose, IQR, mmol/L | 7.6 (6.6, 9.2) | 6.9 (5.9, 7.8) | < 0.001 |
WBC, mean (SD), [×109/L] | 12.9 ± 4.1 | 11.8 ± 3.9 | 0.033 |
Neutrophil, median (IQR), [×109/L] | 10.0 (7.0, 12.6) | 8.5 (4.6, 11.5) | 0.061 |
Lymphocyte, median (IQR), [×109/L] | 6.5 (4.1, 10.0) | 7.1 (4.1, 11.3) | 0.330 |
Monocyte, median (IQR), [×109/L] | 5.0 (3.5, 8.0) | 5.4 (2.6, 7.6) | 0.344 |
RBC, median (IQR), [×109/L] | 4.3 (3.9, 4.8) | 4.3 (4.0, 4.7) | 0.922 |
Platelet, median (IQR), [×109/L] | 196.0 (149.8, 235.0) | 193.0 (149.8, 217.0) | 0.138 |
Hb, median (IQR), g/L | 134.0 (122.0, 146.0) | 131.0 (118.0, 142.0) | 0.175 |
Anemia, n (%) | 18 (17.5) | 21 (13.6) | 0.896 |
ASA grade, n (%) | 0.608 | ||
III level | 20 (19.4) | 34 (22.1) | |
≥ IV level | 83 (80.6) | 120 (77.9) | |
Entry status, n (%) | 0.173 | ||
Quiet | 50 (48.5) | 64 (41.6) | |
nervous | 33 (32.0) | 67 (43.5) | |
confused | 20 (19.4) | 23 (14.9) | |
Intraoperative data | |||
Operating time, median (IQR), minutes | 299.0 (255.0, 365.0) | 290.5 (253.5, 362.5) | 0.642 |
Aortic cross-clamp time, median (IQR), minutes | 65.0 (46.0, 95.0) | 57.0 (43.0, 95.0) | 0.326 |
CPB, median (IQR), minutes | 155.0 (130.0, 188.0) | 149.0 (125.0, 186.5) | 0.600 |
Blood loss, median (IQR), ml | 800.0 (600.0, 1000.0) | 800.0 (600.0, 1000.0) | 0.367 |
Postoperative data | |||
APACHE-II scores, n (%) | < 0.001 | ||
< 15 | 38 (36.9) | 111 (72.1) | |
15–20 | 46 (44.7) | 32 (20.8) | |
> 20 | 19 (18.4) | 11 (7.1) | |
Hypoxemia, n (%) | 52 (50.5) | 25 (16.2) | < 0.001 |
MBG, mmol | 13.1 (11.6, 15.0) | 10.7 (9.6, 11.9) | 0.001 |
SDBG, mmol | 2.9 (2.2, 3.9) | 1.7 (1.3, 2.5) | < 0.001 |
ICU stay, median (IQR), day | 7.0 (5.0, 10.0) | 5.0 (4.0, 7.0) | < 0.001 |
Mechanical ventilation duration, median (IQR), hours | 61.0 (37.0, 139.0) | 42.5 (27.8, 82.3) | < 0.001 |
Hospitalization days, median (IQR), day | 21.0 (15.0, 26.0) | 18.0 (14.0, 25.0) | 0.357 |