Skip to main content

Table 2 Descriptive statistics of hospitalized adults admitted to the ICU versus not admitted to the ICU after trauma including those with hospital course complications, National Trauma Data Bank, 2013a

From: Complications and in-hospital mortality in trauma patients treated in intensive care units in the United States, 2013

  Admitted to ICU, weighted frequency (%) Not admitted to ICU, weighted frequency (%)
Total With Complications p-value Total With Complications p-valueb
Total 1,028,817 (100) 232,618 (22.6) <0.001 1,075,393 (100) 30,350 (2.8) <0.001
Male 712,904 (69.4) 172,967 (74.5) <0.001 681,396 (63.5) 20,934 (69.1) <0.001
Age, yearsa 47 (30–63) 50 (33–63) <0.001 47 (31–64) 56 (42–72) <0.001
ACS Trauma Designation    <0.001    <0.001
 Level 1 630,679 (61.3) 152,942 (65.7)   600,481 (55.8) 19,634 (64.7)  
 Level 2 398,138 (38.7) 79,676 (34.3)   474,912 (44.2) 10,716 (35.3)  
Number of complications NA 1 (1–2)   NA 1 (1–1) <0.001
Injury Class    0.253    <0.001
 Blunt 905,149 (88.5) 206,317 (89.1)   949,370 (88.3) 27,543 (90.8)  
 Penetrating 89,461 (8.7) 18,693 (8.1)   87,510 (8.1) 1838 (6.1)  
 Otherc 28,239 (2.8) 6626 (2.9)   38,024 (3.5) 942 (3.1)  
Intention    <0.001    <0.001
 Assault 115,665 (11.3) 22,026 (9.5)   139,440 (12.9) 2669 (8.8)  
 Self-harm 23,860 (2.3) 5787 (2.5)   10.989 (1.0) 373 (1.2)  
 Unintentional 875,604 (85.6) 201.794 (87.1)   919,374 (85.5) 27,191 (89.7)  
Undetermined 7720 (0.8) 2028 (0.9)   5102 (0.5) 90 (0.3)  
ISSa 17 (10–27) 26 (17–34) <0.001 9 (5–12) 10 (5–17) <0.001
GCS Score 15 (10–15) 13 (3–15) <0.001 15 (15–15) 15 (14–15) <0.001
Hypotension on Admission (SBP < 90 mmHg) 75,195 (7.4) 27,310 (12.1) <0.001 18,049 (1.7) 2148 (7.1) <0.001
Site of Injuryd    <0.001    <0.001
 Head 402,462 (39.3) 80,917 (34.9)   307,578 (28.7) 7575 (25.0)  
 Thorax 150,598 (14.7) 38,725 (16.7)   114,816 (10.7) 3692 (12.2)  
 Spine 118,202 (11.5) 30,944 (13.3)   92,583 (8.6) 2368 (7.8)  
 Abdomen 75,112 (7.3) 20,155 (8.7)   41,600 (3.9) 2018 (6.7)  
 Extremity 256,043 (25.0) 57,498 (24.8)   483,327 (45.1) 14,056 (46.4)  
 Other 21,583 (2.1) 3598 (1.6)   31,794 (2.9) 582 (1.9)  
Comorbidities
 Alcoholism 135,774 (13.2) 41,254 (17.7) <0.001 105,255 (9.8) 8066 (26.6) <0.001
 Cerebrovascular Accident 21,504 (2.1) 6718 (2.9) <0.001 22,046 (2.1) 1989 (6.6) 0.603
 Chronic Kidney Disease 9808 (1.0) 3877 (1.7) <0.001 9878 (0.9) 1551 (5.1) 0.489
 Congestive Heart Failure 29,195 (2.8) 8206 (3.5) <0.001 32,259 (2.9) 1881 (3.5) 0.067
 Coronary Artery Disease 15,056 (1.5) 4910 (2.1) <0.001 15,327 (1.4) 2368 (7.8) 0.463
 Current Smoker 177,724 (17.3) 40,623 (17.5) 0.425 207,069 (19.3) 7184 (23.7) <0.001
 Diabetes Mellitus 111,095 (10.8) 29,573 (12.7) <0.001 116,138 (10.8) 5905 (19.5) 0.993
 Peripheral Vascular Disease 2815 (0.3) 904 (0.4) 0.002 2925 (0.3) 344 (1.1) 0.944
 Pulmonary Disease 1317 (0.1) 717 (0.3) <0.001 1021 (0.1) 197 (0.6) 0.060
Mechanical ventilation 517,950 (50.3) 193,722 (83.3) <0.001 30,641 (2.8) 2825 (9.3) <0.001
Intensive Care Unit LOSa, days 4 (2–8) 12 (6–21) <0.001 NA NA <0.001
Hospital LOSa, days 4 (2–8) 12 (6–21) <0.001 3 (2–6) 7 (3–11) <0.001
Hospital mortality 109,580 (10.7) 39,204 (16.9) <0.001 15,716 (1.5) 4991 (16.4) <0.001
  1. ISS Injury Severity Score, GCS Glasgow Coma Scale, ACS American College of Surgery, SBP systolic blood pressure, LOS length of stay
  2. aContinuous variables presented as sample median (Interquartile Range)
  3. b This value reflects analysis between those admitted to ICU who had hospital complications and those not admitted to ICU who had hospital complications
  4. cOther injuries includes environmental injuries (e.g., animal attack), drownings, overdoses or toxic ingestions, suffocation, exertional injuries, and unspecified injuries
  5. dHead includes Abbreviated Injury Scale scores for Head, Face, and Neck. Extremity includes all four extremities