Table 1 ICU characteristics of the study population
Variables | All patients (n = 1,101) | No delirium (n = 689) | Delirium (n = 412) | P-value |
|---|---|---|---|---|
Age (mean years, SD) | 59.8 (16.5) | 59.4 (16.6) | 60.5 (16.7) | 0.29 |
Male (number, %) | 677 (61.5) | 406 (58.9) | 271 (65.8) | 0.03 |
APACHE IV score (mean, SD) | 61.3 (29.2) | 53.9 (22.4) | 73.7 (28.3) | <0.001 |
CumSOFA score (median, IQR) | 40.0 (19.0 to 99.0) | 27.0 (13.0 to 50.5) | 99.0 (47.0 to 207.0) | <0.001 |
ICU length of stay (median days, IQR) | 4.0 (3.0 to 8.0) | 3.0 (2.0 to 5.0) | 8.0 (5.0 to 15.0) | <0.001 |
Type of admission | ||||
Medical (number, %) | 430 (39.1) | 208 (30.2) | 222 (53.9) | <0.001 |
Elective surgical (number, %) | 447 (40.6) | 351 (50.9) | 96 (23.3) | |
Acute surgical (number, %) | 224 (20.3) | 130 (18.9) | 94 (22.8) | |