Table 1 Characteristics of the intensive care unit patient population
All | Trauma service | Non–trauma service | P | |
|---|---|---|---|---|
n = 200 | n = 102 | n = 98 | ||
Patient demographics | ||||
Age, years, median (IQR) | 59 (39–74) | 52 (29–65) | 65 (54–75) | < 0.01 |
Sex | 0.08 | |||
Male | 138 (70%) | 75 (76%) | 63 (64%) | |
Female | 59 (30%) | 24 (24%) | 35 (36%) | |
Race | 0.21 | |||
White | 126 (63%) | 62 (61%) | 64 (65%) | |
Black | 64 (32%) | 37 (36%) | 27 (28%) | |
Other/unknown | 10 (5%) | 3 (3%) | 7 (7%) | |
Clinical descriptors | ||||
Hospital length of stay, days, median (IQR) | 6 (3–10) | 6 (2–10) | 5 (3–9) | 0.47 |
ICU length of stay, days, median (IQR) | 3 (1–5) | 3 (2–4) | 3 (1–6) | 0.94 |
Pre-admission anticoagulants | 34 (26%) | 13 (20%) | 21 (32%) | 0.14 |
Comorbidities | ||||
Hypertension | 82 (42%) | 34 (34%) | 48 (49%) | 0.04 |
Current smoker | 33 (17%) | 27 (27%) | 6 (6%) | < 0.01 |
Diabetes | 25 (13%) | 11 (11%) | 14 (14%) | 0.50 |
Liver disease | 12 (6%) | 9 (9%) | 3 (3) | 0.08 |
Obesity | 12 (6%) | 1 (1%) | 11 (11%) | < 0.01 |
History of VTE | 4 (2%) | 1 (1%) | 3 (3%) | 0.31 |
Chronic kidney disease | 3 (1.5%) | 0 (0%) | 3 (3%) | 0.12 |
Cancer | 2 (1%) | 0 (0%) | 2 (2%) | 0.25 |
Presence of traumatic injury | < 0.01 | |||
Yes | 110 (55%) | 95 (93%) | 15 (15%) | |
No | 90 (45%) | 7 (7%) | 83 (85%) | |
Primary hospital admission diagnosis | < 0.01 | |||
Head or facial injury | 57 (29%) | 43 (43%) | 14 (15%) | |
Injuries of the thorax, abdomen, or neck | 39 (20%) | 38 (38%) | 1 (1%) | |
Cardiovascular disease | 21 (11%) | 2 (2%) | 19 (20%) | |
Extremity injuries, including hip injuries | 15 (8%) | 14 (14%) | 1 (1%) | |
Headache, fatigue, altered mental state | 13 (7%) | 0 (0%) | 13 (14%) | |
Musculoskeletal, connective tissue, nervous system diseases, convulsions | 9 (5%) | 0 (0%) | 9 (9%) | |
Respiratory condition or trouble breathing | 8 (4%) | 1 (1%) | 7 (7%) | |
Neoplasm | 7 (4%) | 0 (0%) | 7 (7%) | |
Chest pain | 7 (4%) | 0 (0%) | 7 (7%) | |
Digestive issues or abdominal pain | 5 (3%) | 0 (0%) | 5 (5%) | |
Asphyxiation, burns, poisoning | 4 (2%) | 1 (1%) | 3 (3%) | |
Complications of prosthetic devices, implants or grafts | 2 (1%) | 0 (0%) | 2 (2%) | |
Endocrine, nutritional, or metabolic diseases | 2 (1%) | 0 (0%) | 2 (2%) | |
Infectious disease | 2 (1%) | 0 (0%) | 2 (2%) | |
Rash | 2 (1%) | 0 (0%) | 2 (2%) | |
Unspecified hemorrhage, unspecified pain | 2 (1%) | 1 (1%) | 1 (1%) | |