Table 1 Baseline characteristics of the study population. (A) Demographics, pre-existing conditions and interventions (B) Major diagnostic categories. D: delirium group, ND: non-delirium group, ICU: Intensive Care Unit, SAPS II: Simplified Acute Physiology Score II, IQR: interquartile range, COPD: chronic obstructive pulmonary disease
From: Delirium at the intensive care unit and long-term survival: a retrospective study
A. Demographics, pre-existing conditions and interventions | ||||
|---|---|---|---|---|
General population (D & ND) | Statistical analysis between D & ND groups | |||
D | ND | • p-value | ||
N of total Patients | 9’604 | 2’171 | 7’433 | - |
Females, n (%) | 3’250 (33.8) | 626 (28.8) | 2’624 (35.3) | < 0.0001 |
Age, median (IQR) | 63.0 (51.0, 72.0) | 68.0 (58.0, 77.0) | 61.0 (49.0, 71.0) | < 0.0001 |
SAPS II, median (IQR) | 35.0 (25.0, 47.0) | • 47.0 (37.0, 59.0) | 32.0 (22.0, 43.0) | < 0.0001 |
ICU length of stay [days], median (IQR) | 1.8 (0.9, 5.0) | 8.7 (4.0, 17.0) | 1.0 (0.8, 2.6) | < 0.0001 |
Hospital length of stay [days], median (IQR) | 11.3 (7.6, 18.6) | 20.4 (12.8, 32.1) | 10.0 (6.9, 15.0) | < 0.0001 |
Hospital deaths, n (%) | 222 (2.0) | 96 (4.1) | 126 (1.5) | < 0.0001 |
Mechanically ventilated, n (%) | 8’322 (86.6) | 1’986 (91.5) | 6’336 (85.2) | 0.006 |
Mechanical Ventilation [days], median (IQR) | 0.4 (0.2, 1.02) | 2.1 (0.5, 6.4) | 0.3 (0.2, 0.5) | < 0.0001 |
Malignancies, n (%) | 1’476 (15.4) | 214 (9.9) | 1’262 (17.0) | < 0.0001 |
Acute Respiratory Failure, n (%) | 795 (8.3) | 286 (13.2) | 509 (6.8) | < 0.0001 |
COPD, n (%) | 600 (6.2) | 193 (8.9) | 407 (5.5) | < 0.0001 |
Atrial Fibrillation / Flutter, n (%) | 1’790 (18.6) | 659 (30.4) | 1’131 (15.2) | < 0.0001 |
Diabetes, n (%) | 1’488 (15.5) | 443 (20.4) | 1’045 (14.0) | < 0.0001 |
Dementia, n (%) | 171 (1.8) | 66 (3.0) | 46 (0.6) | < 0.0001 |
Hemodynamic mechanical support, n (%) | 522 (5.4) | 361 (16.6) | 161 (2.2) | < 0.0001 |
Renal replacement therapy, n (%) | 293 (3.0) | 204 (9.4) | 89 (1.2) | < 0.0001 |
B. Diagnostic Categories of ICU Admission | ||||
Cardiovascular system, n (%) | 3’763 (39.2) | 869 (40.0) | 2’894 (38.9) | 0.474 |
Oncology & Hematology, n (%) | 1’629 (17.0) | 159 (7.3) | 1’470 (19.8) | < 0.0001 |
Others, n (%) | 1’271 (13.2) | 277 (12.8) | 989 (13.3) | 0.381 |
Trauma, n (%) | 1’048 (10.9) | 372 (17.1) | 677 (9.1) | < 0.0001 |
Neurological system, n (%) | 621 (6.5) | 113 (5.2) | 508 (6.8) | 0.009 |
Respiratory system, n (%) | 565 (5.9) | 148 (6.8) | 417 (5.6) | 0.041 |
Digestive system, n (%) | 383 (4.0) | 108 (5.9) | 275 (3.7) | 0.009 |
Infectious & Parasitic Diseases, n (%) | 323 (3.4) | 125 (5.8) | 198 (2.7) | < 0.0001 |