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Table 1 Characteristics of the intensive care unit patient population

From: Compliance with American College of Chest Physicians (ACCP) recommendations for thromboembolic prophylaxis in the intensive care unit: a level I trauma center experience

  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%)  
  1. Bold indicates statistically significant results at a threshold of P ≤ 0.05. IQR, interquartile range; ICU intensive care unit, VTE venous thromboembolism